Home / 115,508.88-173,098.08-52,171.74

Finding the Fourth Proportional to 115,508.88, 173,098.08 and 52,171.74

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Solution

The fourth proportional to 115,508.88, 173,098.08 and 52,171.74 is: 78,182.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,508.88 : 173,098.08 = 52,171.74 : x
  2. Step 2: Convert to fraction form
    115,508.88/173,098.08 = 52,171.74/x
  3. Step 3: Cross multiply
    115,508.88x = 173,098.08 × 52,171.74
  4. Step 4: Simplify right side
    115,508.88x = 9,030,828,024.26
  5. Step 5: Solve for x
    x = 9,030,828,024.26/115,508.88
  6. Step 6: Final answer
    x = 78,182.98

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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.