Home / 97,876.65-146,836.85-31,320.77

Finding the Fourth Proportional to 97,876.65, 146,836.85 and 31,320.77

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Solution

The fourth proportional to 97,876.65, 146,836.85 and 31,320.77 is: 46,988.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,876.65 : 146,836.85 = 31,320.77 : x
  2. Step 2: Convert to fraction form
    97,876.65/146,836.85 = 31,320.77/x
  3. Step 3: Cross multiply
    97,876.65x = 146,836.85 × 31,320.77
  4. Step 4: Simplify right side
    97,876.65x = 4,599,043,049.77
  5. Step 5: Solve for x
    x = 4,599,043,049.77/97,876.65
  6. Step 6: Final answer
    x = 46,988.16

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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.