Home / 69,928.11-96,501.78-38,097.54

Finding the Fourth Proportional to 69,928.11, 96,501.78 and 38,097.54

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Solution

The fourth proportional to 69,928.11, 96,501.78 and 38,097.54 is: 52,575.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,928.11 : 96,501.78 = 38,097.54 : x
  2. Step 2: Convert to fraction form
    69,928.11/96,501.78 = 38,097.54/x
  3. Step 3: Cross multiply
    69,928.11x = 96,501.78 × 38,097.54
  4. Step 4: Simplify right side
    69,928.11x = 3,676,480,423.62
  5. Step 5: Solve for x
    x = 3,676,480,423.62/69,928.11
  6. Step 6: Final answer
    x = 52,575.14

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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.