Home / 90,958.12-136,446.66-34,798.12

Finding the Fourth Proportional to 90,958.12, 136,446.66 and 34,798.12

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Solution

The fourth proportional to 90,958.12, 136,446.66 and 34,798.12 is: 52,200.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,958.12 : 136,446.66 = 34,798.12 : x
  2. Step 2: Convert to fraction form
    90,958.12/136,446.66 = 34,798.12/x
  3. Step 3: Cross multiply
    90,958.12x = 136,446.66 × 34,798.12
  4. Step 4: Simplify right side
    90,958.12x = 4,748,087,248.28
  5. Step 5: Solve for x
    x = 4,748,087,248.28/90,958.12
  6. Step 6: Final answer
    x = 52,200.81

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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.