Home / 99,817.48-137,623.62-63,948.52

Finding the Fourth Proportional to 99,817.48, 137,623.62 and 63,948.52

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Solution

The fourth proportional to 99,817.48, 137,623.62 and 63,948.52 is: 88,169.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,817.48 : 137,623.62 = 63,948.52 : x
  2. Step 2: Convert to fraction form
    99,817.48/137,623.62 = 63,948.52/x
  3. Step 3: Cross multiply
    99,817.48x = 137,623.62 × 63,948.52
  4. Step 4: Simplify right side
    99,817.48x = 8,800,826,816.04
  5. Step 5: Solve for x
    x = 8,800,826,816.04/99,817.48
  6. Step 6: Final answer
    x = 88,169.19

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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.