Home / 115,575.60-173,248.20-53,137.20

Finding the Fourth Proportional to 115,575.60, 173,248.20 and 53,137.20

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Solution

The fourth proportional to 115,575.60, 173,248.20 and 53,137.20 is: 79,652.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,575.60 : 173,248.20 = 53,137.20 : x
  2. Step 2: Convert to fraction form
    115,575.60/173,248.20 = 53,137.20/x
  3. Step 3: Cross multiply
    115,575.60x = 173,248.20 × 53,137.20
  4. Step 4: Simplify right side
    115,575.60x = 9,205,924,253.04
  5. Step 5: Solve for x
    x = 9,205,924,253.04/115,575.60
  6. Step 6: Final answer
    x = 79,652.84

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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.