Home / 112,988.90-155,924.25-62,002.49

Finding the Fourth Proportional to 112,988.90, 155,924.25 and 62,002.49

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Solution

The fourth proportional to 112,988.90, 155,924.25 and 62,002.49 is: 85,563.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,988.90 : 155,924.25 = 62,002.49 : x
  2. Step 2: Convert to fraction form
    112,988.90/155,924.25 = 62,002.49/x
  3. Step 3: Cross multiply
    112,988.90x = 155,924.25 × 62,002.49
  4. Step 4: Simplify right side
    112,988.90x = 9,667,690,971.76
  5. Step 5: Solve for x
    x = 9,667,690,971.76/112,988.90
  6. Step 6: Final answer
    x = 85,563.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.