Home / 90,464.13-124,824.36-54,630.15

Finding the Fourth Proportional to 90,464.13, 124,824.36 and 54,630.15

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Solution

The fourth proportional to 90,464.13, 124,824.36 and 54,630.15 is: 75,379.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,464.13 : 124,824.36 = 54,630.15 : x
  2. Step 2: Convert to fraction form
    90,464.13/124,824.36 = 54,630.15/x
  3. Step 3: Cross multiply
    90,464.13x = 124,824.36 × 54,630.15
  4. Step 4: Simplify right side
    90,464.13x = 6,819,173,510.45
  5. Step 5: Solve for x
    x = 6,819,173,510.45/90,464.13
  6. Step 6: Final answer
    x = 75,379.86

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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.