Home / 90,751.48-136,127.08-24,191.92

Finding the Fourth Proportional to 90,751.48, 136,127.08 and 24,191.92

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Solution

The fourth proportional to 90,751.48, 136,127.08 and 24,191.92 is: 36,287.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,751.48 : 136,127.08 = 24,191.92 : x
  2. Step 2: Convert to fraction form
    90,751.48/136,127.08 = 24,191.92/x
  3. Step 3: Cross multiply
    90,751.48x = 136,127.08 × 24,191.92
  4. Step 4: Simplify right side
    90,751.48x = 3,293,175,429.19
  5. Step 5: Solve for x
    x = 3,293,175,429.19/90,751.48
  6. Step 6: Final answer
    x = 36,287.84

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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.