Home / 115,989.12-173,934.72-36,017.28

Finding the Fourth Proportional to 115,989.12, 173,934.72 and 36,017.28

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Solution

The fourth proportional to 115,989.12, 173,934.72 and 36,017.28 is: 54,010.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,989.12 : 173,934.72 = 36,017.28 : x
  2. Step 2: Convert to fraction form
    115,989.12/173,934.72 = 36,017.28/x
  3. Step 3: Cross multiply
    115,989.12x = 173,934.72 × 36,017.28
  4. Step 4: Simplify right side
    115,989.12x = 6,264,655,511.96
  5. Step 5: Solve for x
    x = 6,264,655,511.96/115,989.12
  6. Step 6: Final answer
    x = 54,010.72

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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.