Home / 89,031.06-122,864.13-49,287.06

Finding the Fourth Proportional to 89,031.06, 122,864.13 and 49,287.06

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Solution

The fourth proportional to 89,031.06, 122,864.13 and 49,287.06 is: 68,016.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,031.06 : 122,864.13 = 49,287.06 : x
  2. Step 2: Convert to fraction form
    89,031.06/122,864.13 = 49,287.06/x
  3. Step 3: Cross multiply
    89,031.06x = 122,864.13 × 49,287.06
  4. Step 4: Simplify right side
    89,031.06x = 6,055,611,747.16
  5. Step 5: Solve for x
    x = 6,055,611,747.16/89,031.06
  6. Step 6: Final answer
    x = 68,016.84

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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.