Home / 74,464.47-102,761.76-40,472.96

Finding the Fourth Proportional to 74,464.47, 102,761.76 and 40,472.96

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Solution

The fourth proportional to 74,464.47, 102,761.76 and 40,472.96 is: 55,853.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,464.47 : 102,761.76 = 40,472.96 : x
  2. Step 2: Convert to fraction form
    74,464.47/102,761.76 = 40,472.96/x
  3. Step 3: Cross multiply
    74,464.47x = 102,761.76 × 40,472.96
  4. Step 4: Simplify right side
    74,464.47x = 4,159,072,602.01
  5. Step 5: Solve for x
    x = 4,159,072,602.01/74,464.47
  6. Step 6: Final answer
    x = 55,853.11

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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.