Home / 92,859.33-128,144.62-52,572.05

Finding the Fourth Proportional to 92,859.33, 128,144.62 and 52,572.05

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Solution

The fourth proportional to 92,859.33, 128,144.62 and 52,572.05 is: 72,548.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,859.33 : 128,144.62 = 52,572.05 : x
  2. Step 2: Convert to fraction form
    92,859.33/128,144.62 = 52,572.05/x
  3. Step 3: Cross multiply
    92,859.33x = 128,144.62 × 52,572.05
  4. Step 4: Simplify right side
    92,859.33x = 6,736,825,369.87
  5. Step 5: Solve for x
    x = 6,736,825,369.87/92,859.33
  6. Step 6: Final answer
    x = 72,548.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.