Home / 90,450.13-124,828.85-50,176.87

Finding the Fourth Proportional to 90,450.13, 124,828.85 and 50,176.87

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Solution

The fourth proportional to 90,450.13, 124,828.85 and 50,176.87 is: 69,248.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,450.13 : 124,828.85 = 50,176.87 : x
  2. Step 2: Convert to fraction form
    90,450.13/124,828.85 = 50,176.87/x
  3. Step 3: Cross multiply
    90,450.13x = 124,828.85 × 50,176.87
  4. Step 4: Simplify right side
    90,450.13x = 6,263,520,978.70
  5. Step 5: Solve for x
    x = 6,263,520,978.70/90,450.13
  6. Step 6: Final answer
    x = 69,248.34

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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.