Home / 60,151.32-83,046.51-38,649.78

Finding the Fourth Proportional to 60,151.32, 83,046.51 and 38,649.78

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Solution

The fourth proportional to 60,151.32, 83,046.51 and 38,649.78 is: 53,360.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,151.32 : 83,046.51 = 38,649.78 : x
  2. Step 2: Convert to fraction form
    60,151.32/83,046.51 = 38,649.78/x
  3. Step 3: Cross multiply
    60,151.32x = 83,046.51 × 38,649.78
  4. Step 4: Simplify right side
    60,151.32x = 3,209,729,341.27
  5. Step 5: Solve for x
    x = 3,209,729,341.27/60,151.32
  6. Step 6: Final answer
    x = 53,360.91

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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.