Home / 90,423.24-124,779.06-50,134.64

Finding the Fourth Proportional to 90,423.24, 124,779.06 and 50,134.64

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Solution

The fourth proportional to 90,423.24, 124,779.06 and 50,134.64 is: 69,183.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,423.24 : 124,779.06 = 50,134.64 : x
  2. Step 2: Convert to fraction form
    90,423.24/124,779.06 = 50,134.64/x
  3. Step 3: Cross multiply
    90,423.24x = 124,779.06 × 50,134.64
  4. Step 4: Simplify right side
    90,423.24x = 6,255,753,252.64
  5. Step 5: Solve for x
    x = 6,255,753,252.64/90,423.24
  6. Step 6: Final answer
    x = 69,183.02

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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.