Home / 86,569.58-129,868.96-27,421.76

Finding the Fourth Proportional to 86,569.58, 129,868.96 and 27,421.76

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Solution

The fourth proportional to 86,569.58, 129,868.96 and 27,421.76 is: 41,137.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,569.58 : 129,868.96 = 27,421.76 : x
  2. Step 2: Convert to fraction form
    86,569.58/129,868.96 = 27,421.76/x
  3. Step 3: Cross multiply
    86,569.58x = 129,868.96 × 27,421.76
  4. Step 4: Simplify right side
    86,569.58x = 3,561,235,452.57
  5. Step 5: Solve for x
    x = 3,561,235,452.57/86,569.58
  6. Step 6: Final answer
    x = 41,137.26

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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.