Home / 90,765.24-125,266.95-54,948.66

Finding the Fourth Proportional to 90,765.24, 125,266.95 and 54,948.66

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Solution

The fourth proportional to 90,765.24, 125,266.95 and 54,948.66 is: 75,835.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,765.24 : 125,266.95 = 54,948.66 : x
  2. Step 2: Convert to fraction form
    90,765.24/125,266.95 = 54,948.66/x
  3. Step 3: Cross multiply
    90,765.24x = 125,266.95 × 54,948.66
  4. Step 4: Simplify right side
    90,765.24x = 6,883,251,044.79
  5. Step 5: Solve for x
    x = 6,883,251,044.79/90,765.24
  6. Step 6: Final answer
    x = 75,835.76

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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.