Home / 78,895.52-108,877.23-48,273.73

Finding the Fourth Proportional to 78,895.52, 108,877.23 and 48,273.73

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Solution

The fourth proportional to 78,895.52, 108,877.23 and 48,273.73 is: 66,618.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,895.52 : 108,877.23 = 48,273.73 : x
  2. Step 2: Convert to fraction form
    78,895.52/108,877.23 = 48,273.73/x
  3. Step 3: Cross multiply
    78,895.52x = 108,877.23 × 48,273.73
  4. Step 4: Simplify right side
    78,895.52x = 5,255,909,731.97
  5. Step 5: Solve for x
    x = 5,255,909,731.97/78,895.52
  6. Step 6: Final answer
    x = 66,618.60

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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.