Home / 97,876.30-135,062.82-57,582.25

Finding the Fourth Proportional to 97,876.30, 135,062.82 and 57,582.25

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Solution

The fourth proportional to 97,876.30, 135,062.82 and 57,582.25 is: 79,459.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,876.30 : 135,062.82 = 57,582.25 : x
  2. Step 2: Convert to fraction form
    97,876.30/135,062.82 = 57,582.25/x
  3. Step 3: Cross multiply
    97,876.30x = 135,062.82 × 57,582.25
  4. Step 4: Simplify right side
    97,876.30x = 7,777,221,066.95
  5. Step 5: Solve for x
    x = 7,777,221,066.95/97,876.30
  6. Step 6: Final answer
    x = 79,459.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.