Home / 90,498.85-124,856.65-52,257.31

Finding the Fourth Proportional to 90,498.85, 124,856.65 and 52,257.31

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Solution

The fourth proportional to 90,498.85, 124,856.65 and 52,257.31 is: 72,096.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,498.85 : 124,856.65 = 52,257.31 : x
  2. Step 2: Convert to fraction form
    90,498.85/124,856.65 = 52,257.31/x
  3. Step 3: Cross multiply
    90,498.85x = 124,856.65 × 52,257.31
  4. Step 4: Simplify right side
    90,498.85x = 6,524,672,664.61
  5. Step 5: Solve for x
    x = 6,524,672,664.61/90,498.85
  6. Step 6: Final answer
    x = 72,096.75

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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.