Home / 86,016.20-129,024.30-23,686.70

Finding the Fourth Proportional to 86,016.20, 129,024.30 and 23,686.70

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Solution

The fourth proportional to 86,016.20, 129,024.30 and 23,686.70 is: 35,530.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,016.20 : 129,024.30 = 23,686.70 : x
  2. Step 2: Convert to fraction form
    86,016.20/129,024.30 = 23,686.70/x
  3. Step 3: Cross multiply
    86,016.20x = 129,024.30 × 23,686.70
  4. Step 4: Simplify right side
    86,016.20x = 3,056,159,886.81
  5. Step 5: Solve for x
    x = 3,056,159,886.81/86,016.20
  6. Step 6: Final answer
    x = 35,530.05

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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.