Home / 74,575.07-102,890.42-42,304.37

Finding the Fourth Proportional to 74,575.07, 102,890.42 and 42,304.37

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Solution

The fourth proportional to 74,575.07, 102,890.42 and 42,304.37 is: 58,366.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,575.07 : 102,890.42 = 42,304.37 : x
  2. Step 2: Convert to fraction form
    74,575.07/102,890.42 = 42,304.37/x
  3. Step 3: Cross multiply
    74,575.07x = 102,890.42 × 42,304.37
  4. Step 4: Simplify right side
    74,575.07x = 4,352,713,671.16
  5. Step 5: Solve for x
    x = 4,352,713,671.16/74,575.07
  6. Step 6: Final answer
    x = 58,366.88

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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.