Home / 86,569.98-129,847.68-27,397.05

Finding the Fourth Proportional to 86,569.98, 129,847.68 and 27,397.05

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Solution

The fourth proportional to 86,569.98, 129,847.68 and 27,397.05 is: 41,093.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,569.98 : 129,847.68 = 27,397.05 : x
  2. Step 2: Convert to fraction form
    86,569.98/129,847.68 = 27,397.05/x
  3. Step 3: Cross multiply
    86,569.98x = 129,847.68 × 27,397.05
  4. Step 4: Simplify right side
    86,569.98x = 3,557,443,381.34
  5. Step 5: Solve for x
    x = 3,557,443,381.34/86,569.98
  6. Step 6: Final answer
    x = 41,093.27

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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.