Home / 86,417.40-129,626.10-24,087.90

Finding the Fourth Proportional to 86,417.40, 129,626.10 and 24,087.90

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Solution

The fourth proportional to 86,417.40, 129,626.10 and 24,087.90 is: 36,131.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,417.40 : 129,626.10 = 24,087.90 : x
  2. Step 2: Convert to fraction form
    86,417.40/129,626.10 = 24,087.90/x
  3. Step 3: Cross multiply
    86,417.40x = 129,626.10 × 24,087.90
  4. Step 4: Simplify right side
    86,417.40x = 3,122,420,534.19
  5. Step 5: Solve for x
    x = 3,122,420,534.19/86,417.40
  6. Step 6: Final answer
    x = 36,131.85

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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.