Home / 86,528.24-129,850.27-30,368.61

Finding the Fourth Proportional to 86,528.24, 129,850.27 and 30,368.61

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Solution

The fourth proportional to 86,528.24, 129,850.27 and 30,368.61 is: 45,573.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,528.24 : 129,850.27 = 30,368.61 : x
  2. Step 2: Convert to fraction form
    86,528.24/129,850.27 = 30,368.61/x
  3. Step 3: Cross multiply
    86,528.24x = 129,850.27 × 30,368.61
  4. Step 4: Simplify right side
    86,528.24x = 3,943,372,302.93
  5. Step 5: Solve for x
    x = 3,943,372,302.93/86,528.24
  6. Step 6: Final answer
    x = 45,573.24

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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.