Home / 74,184.42-102,374.46-42,352.68

Finding the Fourth Proportional to 74,184.42, 102,374.46 and 42,352.68

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Solution

The fourth proportional to 74,184.42, 102,374.46 and 42,352.68 is: 58,446.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,184.42 : 102,374.46 = 42,352.68 : x
  2. Step 2: Convert to fraction form
    74,184.42/102,374.46 = 42,352.68/x
  3. Step 3: Cross multiply
    74,184.42x = 102,374.46 × 42,352.68
  4. Step 4: Simplify right side
    74,184.42x = 4,335,832,744.55
  5. Step 5: Solve for x
    x = 4,335,832,744.55/74,184.42
  6. Step 6: Final answer
    x = 58,446.68

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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.