Home / 86,143.20-129,224.76-22,964.16

Finding the Fourth Proportional to 86,143.20, 129,224.76 and 22,964.16

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Solution

The fourth proportional to 86,143.20, 129,224.76 and 22,964.16 is: 34,448.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,143.20 : 129,224.76 = 22,964.16 : x
  2. Step 2: Convert to fraction form
    86,143.20/129,224.76 = 22,964.16/x
  3. Step 3: Cross multiply
    86,143.20x = 129,224.76 × 22,964.16
  4. Step 4: Simplify right side
    86,143.20x = 2,967,538,064.60
  5. Step 5: Solve for x
    x = 2,967,538,064.60/86,143.20
  6. Step 6: Final answer
    x = 34,448.90

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1.5x scale

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.