Home / 86,494.53-129,799.50-30,334.59

Finding the Fourth Proportional to 86,494.53, 129,799.50 and 30,334.59

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Solution

The fourth proportional to 86,494.53, 129,799.50 and 30,334.59 is: 45,522.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,494.53 : 129,799.50 = 30,334.59 : x
  2. Step 2: Convert to fraction form
    86,494.53/129,799.50 = 30,334.59/x
  3. Step 3: Cross multiply
    86,494.53x = 129,799.50 × 30,334.59
  4. Step 4: Simplify right side
    86,494.53x = 3,937,414,614.71
  5. Step 5: Solve for x
    x = 3,937,414,614.71/86,494.53
  6. Step 6: Final answer
    x = 45,522.12

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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.