Home / 86,073.64-129,114.30-26,910.52

Finding the Fourth Proportional to 86,073.64, 129,114.30 and 26,910.52

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Solution

The fourth proportional to 86,073.64, 129,114.30 and 26,910.52 is: 40,366.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,073.64 : 129,114.30 = 26,910.52 : x
  2. Step 2: Convert to fraction form
    86,073.64/129,114.30 = 26,910.52/x
  3. Step 3: Cross multiply
    86,073.64x = 129,114.30 × 26,910.52
  4. Step 4: Simplify right side
    86,073.64x = 3,474,532,952.44
  5. Step 5: Solve for x
    x = 3,474,532,952.44/86,073.64
  6. Step 6: Final answer
    x = 40,366.98

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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.