Home / 69,876.74-96,428.66-38,045.10

Finding the Fourth Proportional to 69,876.74, 96,428.66 and 38,045.10

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Solution

The fourth proportional to 69,876.74, 96,428.66 and 38,045.10 is: 52,501.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,876.74 : 96,428.66 = 38,045.10 : x
  2. Step 2: Convert to fraction form
    69,876.74/96,428.66 = 38,045.10/x
  3. Step 3: Cross multiply
    69,876.74x = 96,428.66 × 38,045.10
  4. Step 4: Simplify right side
    69,876.74x = 3,668,638,012.57
  5. Step 5: Solve for x
    x = 3,668,638,012.57/69,876.74
  6. Step 6: Final answer
    x = 52,501.56

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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.