Home / 86,372.46-129,596.40-30,252.87

Finding the Fourth Proportional to 86,372.46, 129,596.40 and 30,252.87

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Solution

The fourth proportional to 86,372.46, 129,596.40 and 30,252.87 is: 45,392.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,372.46 : 129,596.40 = 30,252.87 : x
  2. Step 2: Convert to fraction form
    86,372.46/129,596.40 = 30,252.87/x
  3. Step 3: Cross multiply
    86,372.46x = 129,596.40 × 30,252.87
  4. Step 4: Simplify right side
    86,372.46x = 3,920,663,041.67
  5. Step 5: Solve for x
    x = 3,920,663,041.67/86,372.46
  6. Step 6: Final answer
    x = 45,392.51

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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.