Home / 86,016.15-129,024.24-26,856.89

Finding the Fourth Proportional to 86,016.15, 129,024.24 and 26,856.89

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Solution

The fourth proportional to 86,016.15, 129,024.24 and 26,856.89 is: 40,285.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,016.15 : 129,024.24 = 26,856.89 : x
  2. Step 2: Convert to fraction form
    86,016.15/129,024.24 = 26,856.89/x
  3. Step 3: Cross multiply
    86,016.15x = 129,024.24 × 26,856.89
  4. Step 4: Simplify right side
    86,016.15x = 3,465,189,041.61
  5. Step 5: Solve for x
    x = 3,465,189,041.61/86,016.15
  6. Step 6: Final answer
    x = 40,285.33

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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.