Home / 74,357.12-102,609.24-42,529.52

Finding the Fourth Proportional to 74,357.12, 102,609.24 and 42,529.52

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Solution

The fourth proportional to 74,357.12, 102,609.24 and 42,529.52 is: 58,688.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,357.12 : 102,609.24 = 42,529.52 : x
  2. Step 2: Convert to fraction form
    74,357.12/102,609.24 = 42,529.52/x
  3. Step 3: Cross multiply
    74,357.12x = 102,609.24 × 42,529.52
  4. Step 4: Simplify right side
    74,357.12x = 4,363,921,724.76
  5. Step 5: Solve for x
    x = 4,363,921,724.76/74,357.12
  6. Step 6: Final answer
    x = 58,688.69

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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.