Home / 74,266.92-102,495.78-42,440.58

Finding the Fourth Proportional to 74,266.92, 102,495.78 and 42,440.58

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Solution

The fourth proportional to 74,266.92, 102,495.78 and 42,440.58 is: 58,572.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,266.92 : 102,495.78 = 42,440.58 : x
  2. Step 2: Convert to fraction form
    74,266.92/102,495.78 = 42,440.58/x
  3. Step 3: Cross multiply
    74,266.92x = 102,495.78 × 42,440.58
  4. Step 4: Simplify right side
    74,266.92x = 4,349,980,350.75
  5. Step 5: Solve for x
    x = 4,349,980,350.75/74,266.92
  6. Step 6: Final answer
    x = 58,572.25

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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.