Home / 86,032.96-129,049.16-22,859.40

Finding the Fourth Proportional to 86,032.96, 129,049.16 and 22,859.40

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Solution

The fourth proportional to 86,032.96, 129,049.16 and 22,859.40 is: 34,289.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,032.96 : 129,049.16 = 22,859.40 : x
  2. Step 2: Convert to fraction form
    86,032.96/129,049.16 = 22,859.40/x
  3. Step 3: Cross multiply
    86,032.96x = 129,049.16 × 22,859.40
  4. Step 4: Simplify right side
    86,032.96x = 2,949,986,368.10
  5. Step 5: Solve for x
    x = 2,949,986,368.10/86,032.96
  6. Step 6: Final answer
    x = 34,289.03

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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.