Home / 86,179.08-129,389.69-44,089.35

Finding the Fourth Proportional to 86,179.08, 129,389.69 and 44,089.35

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Solution

The fourth proportional to 86,179.08, 129,389.69 and 44,089.35 is: 66,195.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,179.08 : 129,389.69 = 44,089.35 : x
  2. Step 2: Convert to fraction form
    86,179.08/129,389.69 = 44,089.35/x
  3. Step 3: Cross multiply
    86,179.08x = 129,389.69 × 44,089.35
  4. Step 4: Simplify right side
    86,179.08x = 5,704,707,328.80
  5. Step 5: Solve for x
    x = 5,704,707,328.80/86,179.08
  6. Step 6: Final answer
    x = 66,195.96

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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.