Home / 86,037.92-129,001.76-33,404.16

Finding the Fourth Proportional to 86,037.92, 129,001.76 and 33,404.16

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Solution

The fourth proportional to 86,037.92, 129,001.76 and 33,404.16 is: 50,084.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,037.92 : 129,001.76 = 33,404.16 : x
  2. Step 2: Convert to fraction form
    86,037.92/129,001.76 = 33,404.16/x
  3. Step 3: Cross multiply
    86,037.92x = 129,001.76 × 33,404.16
  4. Step 4: Simplify right side
    86,037.92x = 4,309,195,431.32
  5. Step 5: Solve for x
    x = 4,309,195,431.32/86,037.92
  6. Step 6: Final answer
    x = 50,084.84

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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.