Home / 87,666.01-120,949.54-49,913.53

Finding the Fourth Proportional to 87,666.01, 120,949.54 and 49,913.53

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Solution

The fourth proportional to 87,666.01, 120,949.54 and 49,913.53 is: 68,863.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,666.01 : 120,949.54 = 49,913.53 : x
  2. Step 2: Convert to fraction form
    87,666.01/120,949.54 = 49,913.53/x
  3. Step 3: Cross multiply
    87,666.01x = 120,949.54 × 49,913.53
  4. Step 4: Simplify right side
    87,666.01x = 6,037,018,493.28
  5. Step 5: Solve for x
    x = 6,037,018,493.28/87,666.01
  6. Step 6: Final answer
    x = 68,863.84

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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.