Home / 90,112.53-124,350.27-49,823.87

Finding the Fourth Proportional to 90,112.53, 124,350.27 and 49,823.87

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Solution

The fourth proportional to 90,112.53, 124,350.27 and 49,823.87 is: 68,754.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,112.53 : 124,350.27 = 49,823.87 : x
  2. Step 2: Convert to fraction form
    90,112.53/124,350.27 = 49,823.87/x
  3. Step 3: Cross multiply
    90,112.53x = 124,350.27 × 49,823.87
  4. Step 4: Simplify right side
    90,112.53x = 6,195,611,686.94
  5. Step 5: Solve for x
    x = 6,195,611,686.94/90,112.53
  6. Step 6: Final answer
    x = 68,754.16

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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.