Home / 78,876.32-118,283.52-32,112.32

Finding the Fourth Proportional to 78,876.32, 118,283.52 and 32,112.32

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Solution

The fourth proportional to 78,876.32, 118,283.52 and 32,112.32 is: 48,155.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,876.32 : 118,283.52 = 32,112.32 : x
  2. Step 2: Convert to fraction form
    78,876.32/118,283.52 = 32,112.32/x
  3. Step 3: Cross multiply
    78,876.32x = 118,283.52 × 32,112.32
  4. Step 4: Simplify right side
    78,876.32x = 3,798,358,244.97
  5. Step 5: Solve for x
    x = 3,798,358,244.97/78,876.32
  6. Step 6: Final answer
    x = 48,155.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.