Home / 86,024.20-129,036.24-26,864.94

Finding the Fourth Proportional to 86,024.20, 129,036.24 and 26,864.94

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Solution

The fourth proportional to 86,024.20, 129,036.24 and 26,864.94 is: 40,297.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,024.20 : 129,036.24 = 26,864.94 : x
  2. Step 2: Convert to fraction form
    86,024.20/129,036.24 = 26,864.94/x
  3. Step 3: Cross multiply
    86,024.20x = 129,036.24 × 26,864.94
  4. Step 4: Simplify right side
    86,024.20x = 3,466,550,845.43
  5. Step 5: Solve for x
    x = 3,466,550,845.43/86,024.20
  6. Step 6: Final answer
    x = 40,297.39

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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.