Home / 90,449.89-124,828.50-50,176.62

Finding the Fourth Proportional to 90,449.89, 124,828.50 and 50,176.62

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Solution

The fourth proportional to 90,449.89, 124,828.50 and 50,176.62 is: 69,247.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,449.89 : 124,828.50 = 50,176.62 : x
  2. Step 2: Convert to fraction form
    90,449.89/124,828.50 = 50,176.62/x
  3. Step 3: Cross multiply
    90,449.89x = 124,828.50 × 50,176.62
  4. Step 4: Simplify right side
    90,449.89x = 6,263,472,397.83
  5. Step 5: Solve for x
    x = 6,263,472,397.83/90,449.89
  6. Step 6: Final answer
    x = 69,247.98

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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.