Home / 83,377.34-115,060.59-45,136.70

Finding the Fourth Proportional to 83,377.34, 115,060.59 and 45,136.70

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Solution

The fourth proportional to 83,377.34, 115,060.59 and 45,136.70 is: 62,288.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,377.34 : 115,060.59 = 45,136.70 : x
  2. Step 2: Convert to fraction form
    83,377.34/115,060.59 = 45,136.70/x
  3. Step 3: Cross multiply
    83,377.34x = 115,060.59 × 45,136.70
  4. Step 4: Simplify right side
    83,377.34x = 5,193,454,757.35
  5. Step 5: Solve for x
    x = 5,193,454,757.35/83,377.34
  6. Step 6: Final answer
    x = 62,288.57

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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.