Home / 91,087.20-136,565.04-61,430.88

Finding the Fourth Proportional to 91,087.20, 136,565.04 and 61,430.88

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Solution

The fourth proportional to 91,087.20, 136,565.04 and 61,430.88 is: 92,101.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,087.20 : 136,565.04 = 61,430.88 : x
  2. Step 2: Convert to fraction form
    91,087.20/136,565.04 = 61,430.88/x
  3. Step 3: Cross multiply
    91,087.20x = 136,565.04 × 61,430.88
  4. Step 4: Simplify right side
    91,087.20x = 8,389,310,584.44
  5. Step 5: Solve for x
    x = 8,389,310,584.44/91,087.20
  6. Step 6: Final answer
    x = 92,101.97

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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.