Home / 90,777.96-136,166.88-27,598.59

Finding the Fourth Proportional to 90,777.96, 136,166.88 and 27,598.59

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Solution

The fourth proportional to 90,777.96, 136,166.88 and 27,598.59 is: 41,397.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,777.96 : 136,166.88 = 27,598.59 : x
  2. Step 2: Convert to fraction form
    90,777.96/136,166.88 = 27,598.59/x
  3. Step 3: Cross multiply
    90,777.96x = 136,166.88 × 27,598.59
  4. Step 4: Simplify right side
    90,777.96x = 3,758,013,892.70
  5. Step 5: Solve for x
    x = 3,758,013,892.70/90,777.96
  6. Step 6: Final answer
    x = 41,397.87

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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.