Home / 56,777.92-78,419.19-38,841.46

Finding the Fourth Proportional to 56,777.92, 78,419.19 and 38,841.46

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Solution

The fourth proportional to 56,777.92, 78,419.19 and 38,841.46 is: 53,646.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,777.92 : 78,419.19 = 38,841.46 : x
  2. Step 2: Convert to fraction form
    56,777.92/78,419.19 = 38,841.46/x
  3. Step 3: Cross multiply
    56,777.92x = 78,419.19 × 38,841.46
  4. Step 4: Simplify right side
    56,777.92x = 3,045,915,831.62
  5. Step 5: Solve for x
    x = 3,045,915,831.62/56,777.92
  6. Step 6: Final answer
    x = 53,646.13

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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.