Home / 90,365.16-124,700.52-50,077.88

Finding the Fourth Proportional to 90,365.16, 124,700.52 and 50,077.88

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Solution

The fourth proportional to 90,365.16, 124,700.52 and 50,077.88 is: 69,105.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,365.16 : 124,700.52 = 50,077.88 : x
  2. Step 2: Convert to fraction form
    90,365.16/124,700.52 = 50,077.88/x
  3. Step 3: Cross multiply
    90,365.16x = 124,700.52 × 50,077.88
  4. Step 4: Simplify right side
    90,365.16x = 6,244,737,676.50
  5. Step 5: Solve for x
    x = 6,244,737,676.50/90,365.16
  6. Step 6: Final answer
    x = 69,105.59

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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.