Home / 74,562.40-102,895.32-40,571.92

Finding the Fourth Proportional to 74,562.40, 102,895.32 and 40,571.92

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Solution

The fourth proportional to 74,562.40, 102,895.32 and 40,571.92 is: 55,988.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,562.40 : 102,895.32 = 40,571.92 : x
  2. Step 2: Convert to fraction form
    74,562.40/102,895.32 = 40,571.92/x
  3. Step 3: Cross multiply
    74,562.40x = 102,895.32 × 40,571.92
  4. Step 4: Simplify right side
    74,562.40x = 4,174,660,691.41
  5. Step 5: Solve for x
    x = 4,174,660,691.41/74,562.40
  6. Step 6: Final answer
    x = 55,988.82

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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.