Home / 90,521.78-124,891.15-52,276.27

Finding the Fourth Proportional to 90,521.78, 124,891.15 and 52,276.27

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Solution

The fourth proportional to 90,521.78, 124,891.15 and 52,276.27 is: 72,124.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,521.78 : 124,891.15 = 52,276.27 : x
  2. Step 2: Convert to fraction form
    90,521.78/124,891.15 = 52,276.27/x
  3. Step 3: Cross multiply
    90,521.78x = 124,891.15 × 52,276.27
  4. Step 4: Simplify right side
    90,521.78x = 6,528,844,114.71
  5. Step 5: Solve for x
    x = 6,528,844,114.71/90,521.78
  6. Step 6: Final answer
    x = 72,124.57

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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.