Home / 84,007.68-115,930.50-48,196.14

Finding the Fourth Proportional to 84,007.68, 115,930.50 and 48,196.14

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Solution

The fourth proportional to 84,007.68, 115,930.50 and 48,196.14 is: 66,510.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,007.68 : 115,930.50 = 48,196.14 : x
  2. Step 2: Convert to fraction form
    84,007.68/115,930.50 = 48,196.14/x
  3. Step 3: Cross multiply
    84,007.68x = 115,930.50 × 48,196.14
  4. Step 4: Simplify right side
    84,007.68x = 5,587,402,608.27
  5. Step 5: Solve for x
    x = 5,587,402,608.27/84,007.68
  6. Step 6: Final answer
    x = 66,510.62

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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.