Home / 90,411.08-124,771.23-50,122.28

Finding the Fourth Proportional to 90,411.08, 124,771.23 and 50,122.28

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Solution

The fourth proportional to 90,411.08, 124,771.23 and 50,122.28 is: 69,170.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,411.08 : 124,771.23 = 50,122.28 : x
  2. Step 2: Convert to fraction form
    90,411.08/124,771.23 = 50,122.28/x
  3. Step 3: Cross multiply
    90,411.08x = 124,771.23 × 50,122.28
  4. Step 4: Simplify right side
    90,411.08x = 6,253,817,902.15
  5. Step 5: Solve for x
    x = 6,253,817,902.15/90,411.08
  6. Step 6: Final answer
    x = 69,170.93

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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.