Home / 85,724.43-118,301.63-48,929.91

Finding the Fourth Proportional to 85,724.43, 118,301.63 and 48,929.91

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Solution

The fourth proportional to 85,724.43, 118,301.63 and 48,929.91 is: 67,524.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,724.43 : 118,301.63 = 48,929.91 : x
  2. Step 2: Convert to fraction form
    85,724.43/118,301.63 = 48,929.91/x
  3. Step 3: Cross multiply
    85,724.43x = 118,301.63 × 48,929.91
  4. Step 4: Simplify right side
    85,724.43x = 5,788,488,108.75
  5. Step 5: Solve for x
    x = 5,788,488,108.75/85,724.43
  6. Step 6: Final answer
    x = 67,524.37

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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.