Home / 55,351.60-76,294.16-39,224.32

Finding the Fourth Proportional to 55,351.60, 76,294.16 and 39,224.32

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Solution

The fourth proportional to 55,351.60, 76,294.16 and 39,224.32 is: 54,065.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,351.60 : 76,294.16 = 39,224.32 : x
  2. Step 2: Convert to fraction form
    55,351.60/76,294.16 = 39,224.32/x
  3. Step 3: Cross multiply
    55,351.60x = 76,294.16 × 39,224.32
  4. Step 4: Simplify right side
    55,351.60x = 2,992,586,545.97
  5. Step 5: Solve for x
    x = 2,992,586,545.97/55,351.60
  6. Step 6: Final answer
    x = 54,065.04

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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.