Home / 69,123.92-95,393.16-39,317.84

Finding the Fourth Proportional to 69,123.92, 95,393.16 and 39,317.84

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Solution

The fourth proportional to 69,123.92, 95,393.16 and 39,317.84 is: 54,259.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,123.92 : 95,393.16 = 39,317.84 : x
  2. Step 2: Convert to fraction form
    69,123.92/95,393.16 = 39,317.84/x
  3. Step 3: Cross multiply
    69,123.92x = 95,393.16 × 39,317.84
  4. Step 4: Simplify right side
    69,123.92x = 3,750,653,001.97
  5. Step 5: Solve for x
    x = 3,750,653,001.97/69,123.92
  6. Step 6: Final answer
    x = 54,259.84

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1.5x scale

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.