Home / 90,521.15-124,934.13-50,247.81

Finding the Fourth Proportional to 90,521.15, 124,934.13 and 50,247.81

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Solution

The fourth proportional to 90,521.15, 124,934.13 and 50,247.81 is: 69,350.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,521.15 : 124,934.13 = 50,247.81 : x
  2. Step 2: Convert to fraction form
    90,521.15/124,934.13 = 50,247.81/x
  3. Step 3: Cross multiply
    90,521.15x = 124,934.13 × 50,247.81
  4. Step 4: Simplify right side
    90,521.15x = 6,277,666,426.76
  5. Step 5: Solve for x
    x = 6,277,666,426.76/90,521.15
  6. Step 6: Final answer
    x = 69,350.28

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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.