Home / 90,326.84-135,490.25-37,707.62

Finding the Fourth Proportional to 90,326.84, 135,490.25 and 37,707.62

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Solution

The fourth proportional to 90,326.84, 135,490.25 and 37,707.62 is: 56,561.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,326.84 : 135,490.25 = 37,707.62 : x
  2. Step 2: Convert to fraction form
    90,326.84/135,490.25 = 37,707.62/x
  3. Step 3: Cross multiply
    90,326.84x = 135,490.25 × 37,707.62
  4. Step 4: Simplify right side
    90,326.84x = 5,109,013,994.72
  5. Step 5: Solve for x
    x = 5,109,013,994.72/90,326.84
  6. Step 6: Final answer
    x = 56,561.42

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.