Home / 97,815.33-134,990.20-54,792.30

Finding the Fourth Proportional to 97,815.33, 134,990.20 and 54,792.30

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Solution

The fourth proportional to 97,815.33, 134,990.20 and 54,792.30 is: 75,616.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,815.33 : 134,990.20 = 54,792.30 : x
  2. Step 2: Convert to fraction form
    97,815.33/134,990.20 = 54,792.30/x
  3. Step 3: Cross multiply
    97,815.33x = 134,990.20 × 54,792.30
  4. Step 4: Simplify right side
    97,815.33x = 7,396,424,110.16
  5. Step 5: Solve for x
    x = 7,396,424,110.16/97,815.33
  6. Step 6: Final answer
    x = 75,616.21

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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.