Home / 70,248.78-96,942.18-38,417.04

Finding the Fourth Proportional to 70,248.78, 96,942.18 and 38,417.04

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Solution

The fourth proportional to 70,248.78, 96,942.18 and 38,417.04 is: 53,014.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,248.78 : 96,942.18 = 38,417.04 : x
  2. Step 2: Convert to fraction form
    70,248.78/96,942.18 = 38,417.04/x
  3. Step 3: Cross multiply
    70,248.78x = 96,942.18 × 38,417.04
  4. Step 4: Simplify right side
    70,248.78x = 3,724,231,606.75
  5. Step 5: Solve for x
    x = 3,724,231,606.75/70,248.78
  6. Step 6: Final answer
    x = 53,014.89

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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.