Home / 91,287.68-136,922.16-24,725.12

Finding the Fourth Proportional to 91,287.68, 136,922.16 and 24,725.12

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Solution

The fourth proportional to 91,287.68, 136,922.16 and 24,725.12 is: 37,085.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,287.68 : 136,922.16 = 24,725.12 : x
  2. Step 2: Convert to fraction form
    91,287.68/136,922.16 = 24,725.12/x
  3. Step 3: Cross multiply
    91,287.68x = 136,922.16 × 24,725.12
  4. Step 4: Simplify right side
    91,287.68x = 3,385,416,836.66
  5. Step 5: Solve for x
    x = 3,385,416,836.66/91,287.68
  6. Step 6: Final answer
    x = 37,085.14

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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.