Home / 90,887.40-125,423.64-50,600.16

Finding the Fourth Proportional to 90,887.40, 125,423.64 and 50,600.16

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Solution

The fourth proportional to 90,887.40, 125,423.64 and 50,600.16 is: 69,827.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,887.40 : 125,423.64 = 50,600.16 : x
  2. Step 2: Convert to fraction form
    90,887.40/125,423.64 = 50,600.16/x
  3. Step 3: Cross multiply
    90,887.40x = 125,423.64 × 50,600.16
  4. Step 4: Simplify right side
    90,887.40x = 6,346,456,251.78
  5. Step 5: Solve for x
    x = 6,346,456,251.78/90,887.40
  6. Step 6: Final answer
    x = 69,827.68

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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.