Home / 55,529.90-76,641.14-32,881.47

Finding the Fourth Proportional to 55,529.90, 76,641.14 and 32,881.47

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Solution

The fourth proportional to 55,529.90, 76,641.14 and 32,881.47 is: 45,382.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,529.90 : 76,641.14 = 32,881.47 : x
  2. Step 2: Convert to fraction form
    55,529.90/76,641.14 = 32,881.47/x
  3. Step 3: Cross multiply
    55,529.90x = 76,641.14 × 32,881.47
  4. Step 4: Simplify right side
    55,529.90x = 2,520,073,171.07
  5. Step 5: Solve for x
    x = 2,520,073,171.07/55,529.90
  6. Step 6: Final answer
    x = 45,382.27

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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.