Home / 79,547.52-119,183.04-42,545.28

Finding the Fourth Proportional to 79,547.52, 119,183.04 and 42,545.28

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Solution

The fourth proportional to 79,547.52, 119,183.04 and 42,545.28 is: 63,743.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,547.52 : 119,183.04 = 42,545.28 : x
  2. Step 2: Convert to fraction form
    79,547.52/119,183.04 = 42,545.28/x
  3. Step 3: Cross multiply
    79,547.52x = 119,183.04 × 42,545.28
  4. Step 4: Simplify right side
    79,547.52x = 5,070,675,808.05
  5. Step 5: Solve for x
    x = 5,070,675,808.05/79,547.52
  6. Step 6: Final answer
    x = 63,743.98

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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.