Home / 112,987.04-155,921.68-62,000.62

Finding the Fourth Proportional to 112,987.04, 155,921.68 and 62,000.62

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Solution

The fourth proportional to 112,987.04, 155,921.68 and 62,000.62 is: 85,560.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,987.04 : 155,921.68 = 62,000.62 : x
  2. Step 2: Convert to fraction form
    112,987.04/155,921.68 = 62,000.62/x
  3. Step 3: Cross multiply
    112,987.04x = 155,921.68 × 62,000.62
  4. Step 4: Simplify right side
    112,987.04x = 9,667,240,918.34
  5. Step 5: Solve for x
    x = 9,667,240,918.34/112,987.04
  6. Step 6: Final answer
    x = 85,560.62

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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.