Home / 77,124.33-106,432.38-45,293.76

Finding the Fourth Proportional to 77,124.33, 106,432.38 and 45,293.76

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Solution

The fourth proportional to 77,124.33, 106,432.38 and 45,293.76 is: 62,505.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,124.33 : 106,432.38 = 45,293.76 : x
  2. Step 2: Convert to fraction form
    77,124.33/106,432.38 = 45,293.76/x
  3. Step 3: Cross multiply
    77,124.33x = 106,432.38 × 45,293.76
  4. Step 4: Simplify right side
    77,124.33x = 4,820,722,675.95
  5. Step 5: Solve for x
    x = 4,820,722,675.95/77,124.33
  6. Step 6: Final answer
    x = 62,505.86

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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.