Home / 71,314.40-98,415.24-42,663.56

Finding the Fourth Proportional to 71,314.40, 98,415.24 and 42,663.56

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Solution

The fourth proportional to 71,314.40, 98,415.24 and 42,663.56 is: 58,876.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,314.40 : 98,415.24 = 42,663.56 : x
  2. Step 2: Convert to fraction form
    71,314.40/98,415.24 = 42,663.56/x
  3. Step 3: Cross multiply
    71,314.40x = 98,415.24 × 42,663.56
  4. Step 4: Simplify right side
    71,314.40x = 4,198,744,496.65
  5. Step 5: Solve for x
    x = 4,198,744,496.65/71,314.40
  6. Step 6: Final answer
    x = 58,876.53

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1.5x scale

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.