Home / 86,317.92-129,452.76-54,680.94

Finding the Fourth Proportional to 86,317.92, 129,452.76 and 54,680.94

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Solution

The fourth proportional to 86,317.92, 129,452.76 and 54,680.94 is: 82,006.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,317.92 : 129,452.76 = 54,680.94 : x
  2. Step 2: Convert to fraction form
    86,317.92/129,452.76 = 54,680.94/x
  3. Step 3: Cross multiply
    86,317.92x = 129,452.76 × 54,680.94
  4. Step 4: Simplify right side
    86,317.92x = 7,078,598,602.39
  5. Step 5: Solve for x
    x = 7,078,598,602.39/86,317.92
  6. Step 6: Final answer
    x = 82,006.13

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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.