Home / 74,291.45-102,497.22-42,437.79

Finding the Fourth Proportional to 74,291.45, 102,497.22 and 42,437.79

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Solution

The fourth proportional to 74,291.45, 102,497.22 and 42,437.79 is: 58,549.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,291.45 : 102,497.22 = 42,437.79 : x
  2. Step 2: Convert to fraction form
    74,291.45/102,497.22 = 42,437.79/x
  3. Step 3: Cross multiply
    74,291.45x = 102,497.22 × 42,437.79
  4. Step 4: Simplify right side
    74,291.45x = 4,349,755,497.94
  5. Step 5: Solve for x
    x = 4,349,755,497.94/74,291.45
  6. Step 6: Final answer
    x = 58,549.88

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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.