Home / 86,113.10-129,151.19-26,941.07

Finding the Fourth Proportional to 86,113.10, 129,151.19 and 26,941.07

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Solution

The fourth proportional to 86,113.10, 129,151.19 and 26,941.07 is: 40,405.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,113.10 : 129,151.19 = 26,941.07 : x
  2. Step 2: Convert to fraction form
    86,113.10/129,151.19 = 26,941.07/x
  3. Step 3: Cross multiply
    86,113.10x = 129,151.19 × 26,941.07
  4. Step 4: Simplify right side
    86,113.10x = 3,479,471,640.60
  5. Step 5: Solve for x
    x = 3,479,471,640.60/86,113.10
  6. Step 6: Final answer
    x = 40,405.83

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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.