Home / 86,344.26-129,510.44-53,069.46

Finding the Fourth Proportional to 86,344.26, 129,510.44 and 53,069.46

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Solution

The fourth proportional to 86,344.26, 129,510.44 and 53,069.46 is: 79,600.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,344.26 : 129,510.44 = 53,069.46 : x
  2. Step 2: Convert to fraction form
    86,344.26/129,510.44 = 53,069.46/x
  3. Step 3: Cross multiply
    86,344.26x = 129,510.44 × 53,069.46
  4. Step 4: Simplify right side
    86,344.26x = 6,873,049,115.16
  5. Step 5: Solve for x
    x = 6,873,049,115.16/86,344.26
  6. Step 6: Final answer
    x = 79,600.53

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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.