Home / 86,359.64-129,544.08-27,199.92

Finding the Fourth Proportional to 86,359.64, 129,544.08 and 27,199.92

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Solution

The fourth proportional to 86,359.64, 129,544.08 and 27,199.92 is: 40,801.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,359.64 : 129,544.08 = 27,199.92 : x
  2. Step 2: Convert to fraction form
    86,359.64/129,544.08 = 27,199.92/x
  3. Step 3: Cross multiply
    86,359.64x = 129,544.08 × 27,199.92
  4. Step 4: Simplify right side
    86,359.64x = 3,523,588,612.47
  5. Step 5: Solve for x
    x = 3,523,588,612.47/86,359.64
  6. Step 6: Final answer
    x = 40,801.34

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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.