Home / 52,170.18-78,347.70-48,001.38

Finding the Fourth Proportional to 52,170.18, 78,347.70 and 48,001.38

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Solution

The fourth proportional to 52,170.18, 78,347.70 and 48,001.38 is: 72,087.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,170.18 : 78,347.70 = 48,001.38 : x
  2. Step 2: Convert to fraction form
    52,170.18/78,347.70 = 48,001.38/x
  3. Step 3: Cross multiply
    52,170.18x = 78,347.70 × 48,001.38
  4. Step 4: Simplify right side
    52,170.18x = 3,760,797,719.83
  5. Step 5: Solve for x
    x = 3,760,797,719.83/52,170.18
  6. Step 6: Final answer
    x = 72,087.11

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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.