Home / 90,002.47-124,202.61-49,719.03

Finding the Fourth Proportional to 90,002.47, 124,202.61 and 49,719.03

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Solution

The fourth proportional to 90,002.47, 124,202.61 and 49,719.03 is: 68,611.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,002.47 : 124,202.61 = 49,719.03 : x
  2. Step 2: Convert to fraction form
    90,002.47/124,202.61 = 49,719.03/x
  3. Step 3: Cross multiply
    90,002.47x = 124,202.61 × 49,719.03
  4. Step 4: Simplify right side
    90,002.47x = 6,175,233,292.67
  5. Step 5: Solve for x
    x = 6,175,233,292.67/90,002.47
  6. Step 6: Final answer
    x = 68,611.82

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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.