Home / 125,324.84-172,945.92-70,876.28

Finding the Fourth Proportional to 125,324.84, 172,945.92 and 70,876.28

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Solution

The fourth proportional to 125,324.84, 172,945.92 and 70,876.28 is: 97,807.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,324.84 : 172,945.92 = 70,876.28 : x
  2. Step 2: Convert to fraction form
    125,324.84/172,945.92 = 70,876.28/x
  3. Step 3: Cross multiply
    125,324.84x = 172,945.92 × 70,876.28
  4. Step 4: Simplify right side
    125,324.84x = 12,257,763,450.78
  5. Step 5: Solve for x
    x = 12,257,763,450.78/125,324.84
  6. Step 6: Final answer
    x = 97,807.93

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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.