Home / 72,065.04-108,103.68-24,678.48

Finding the Fourth Proportional to 72,065.04, 108,103.68 and 24,678.48

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Solution

The fourth proportional to 72,065.04, 108,103.68 and 24,678.48 is: 37,019.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,065.04 : 108,103.68 = 24,678.48 : x
  2. Step 2: Convert to fraction form
    72,065.04/108,103.68 = 24,678.48/x
  3. Step 3: Cross multiply
    72,065.04x = 108,103.68 × 24,678.48
  4. Step 4: Simplify right side
    72,065.04x = 2,667,834,504.81
  5. Step 5: Solve for x
    x = 2,667,834,504.81/72,065.04
  6. Step 6: Final answer
    x = 37,019.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.