Home / 86,106.06-129,155.49-29,958.87

Finding the Fourth Proportional to 86,106.06, 129,155.49 and 29,958.87

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Solution

The fourth proportional to 86,106.06, 129,155.49 and 29,958.87 is: 44,937.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,106.06 : 129,155.49 = 29,958.87 : x
  2. Step 2: Convert to fraction form
    86,106.06/129,155.49 = 29,958.87/x
  3. Step 3: Cross multiply
    86,106.06x = 129,155.49 × 29,958.87
  4. Step 4: Simplify right side
    86,106.06x = 3,869,352,534.70
  5. Step 5: Solve for x
    x = 3,869,352,534.70/86,106.06
  6. Step 6: Final answer
    x = 44,937.05

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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.