Home / 85,979.25-118,656.63-48,253.50

Finding the Fourth Proportional to 85,979.25, 118,656.63 and 48,253.50

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Solution

The fourth proportional to 85,979.25, 118,656.63 and 48,253.50 is: 66,592.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,979.25 : 118,656.63 = 48,253.50 : x
  2. Step 2: Convert to fraction form
    85,979.25/118,656.63 = 48,253.50/x
  3. Step 3: Cross multiply
    85,979.25x = 118,656.63 × 48,253.50
  4. Step 4: Simplify right side
    85,979.25x = 5,725,597,695.71
  5. Step 5: Solve for x
    x = 5,725,597,695.71/85,979.25
  6. Step 6: Final answer
    x = 66,592.78

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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.