Home / 74,318.23-102,559.24-42,487.82

Finding the Fourth Proportional to 74,318.23, 102,559.24 and 42,487.82

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Solution

The fourth proportional to 74,318.23, 102,559.24 and 42,487.82 is: 58,633.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,318.23 : 102,559.24 = 42,487.82 : x
  2. Step 2: Convert to fraction form
    74,318.23/102,559.24 = 42,487.82/x
  3. Step 3: Cross multiply
    74,318.23x = 102,559.24 × 42,487.82
  4. Step 4: Simplify right side
    74,318.23x = 4,357,518,528.46
  5. Step 5: Solve for x
    x = 4,357,518,528.46/74,318.23
  6. Step 6: Final answer
    x = 58,633.24

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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.