Home / 86,354.03-129,422.18-46,273.61

Finding the Fourth Proportional to 86,354.03, 129,422.18 and 46,273.61

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Solution

The fourth proportional to 86,354.03, 129,422.18 and 46,273.61 is: 69,352.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,354.03 : 129,422.18 = 46,273.61 : x
  2. Step 2: Convert to fraction form
    86,354.03/129,422.18 = 46,273.61/x
  3. Step 3: Cross multiply
    86,354.03x = 129,422.18 × 46,273.61
  4. Step 4: Simplify right side
    86,354.03x = 5,988,831,921.91
  5. Step 5: Solve for x
    x = 5,988,831,921.91/86,354.03
  6. Step 6: Final answer
    x = 69,352.08

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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.