Home / 42,302.55-63,409.17-14,195.96

Finding the Fourth Proportional to 42,302.55, 63,409.17 and 14,195.96

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Solution

The fourth proportional to 42,302.55, 63,409.17 and 14,195.96 is: 21,278.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,302.55 : 63,409.17 = 14,195.96 : x
  2. Step 2: Convert to fraction form
    42,302.55/63,409.17 = 14,195.96/x
  3. Step 3: Cross multiply
    42,302.55x = 63,409.17 × 14,195.96
  4. Step 4: Simplify right side
    42,302.55x = 900,153,723.91
  5. Step 5: Solve for x
    x = 900,153,723.91/42,302.55
  6. Step 6: Final answer
    x = 21,278.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.