Home / 69,123.04-103,631.28-22,363.36

Finding the Fourth Proportional to 69,123.04, 103,631.28 and 22,363.36

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Solution

The fourth proportional to 69,123.04, 103,631.28 and 22,363.36 is: 33,527.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,123.04 : 103,631.28 = 22,363.36 : x
  2. Step 2: Convert to fraction form
    69,123.04/103,631.28 = 22,363.36/x
  3. Step 3: Cross multiply
    69,123.04x = 103,631.28 × 22,363.36
  4. Step 4: Simplify right side
    69,123.04x = 2,317,543,621.90
  5. Step 5: Solve for x
    x = 2,317,543,621.90/69,123.04
  6. Step 6: Final answer
    x = 33,527.80

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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.