Home / 74,267.46-102,479.64-42,438.42

Finding the Fourth Proportional to 74,267.46, 102,479.64 and 42,438.42

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Solution

The fourth proportional to 74,267.46, 102,479.64 and 42,438.42 is: 58,559.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,267.46 : 102,479.64 = 42,438.42 : x
  2. Step 2: Convert to fraction form
    74,267.46/102,479.64 = 42,438.42/x
  3. Step 3: Cross multiply
    74,267.46x = 102,479.64 × 42,438.42
  4. Step 4: Simplify right side
    74,267.46x = 4,349,074,003.77
  5. Step 5: Solve for x
    x = 4,349,074,003.77/74,267.46
  6. Step 6: Final answer
    x = 58,559.62

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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.