Home / 88,070.96-121,553.52-52,280.78

Finding the Fourth Proportional to 88,070.96, 121,553.52 and 52,280.78

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Solution

The fourth proportional to 88,070.96, 121,553.52 and 52,280.78 is: 72,156.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,070.96 : 121,553.52 = 52,280.78 : x
  2. Step 2: Convert to fraction form
    88,070.96/121,553.52 = 52,280.78/x
  3. Step 3: Cross multiply
    88,070.96x = 121,553.52 × 52,280.78
  4. Step 4: Simplify right side
    88,070.96x = 6,354,912,837.35
  5. Step 5: Solve for x
    x = 6,354,912,837.35/88,070.96
  6. Step 6: Final answer
    x = 72,156.73

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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.