Home / 68,545.09-94,565.64-43,040.62

Finding the Fourth Proportional to 68,545.09, 94,565.64 and 43,040.62

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Solution

The fourth proportional to 68,545.09, 94,565.64 and 43,040.62 is: 59,379.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,545.09 : 94,565.64 = 43,040.62 : x
  2. Step 2: Convert to fraction form
    68,545.09/94,565.64 = 43,040.62/x
  3. Step 3: Cross multiply
    68,545.09x = 94,565.64 × 43,040.62
  4. Step 4: Simplify right side
    68,545.09x = 4,070,163,776.30
  5. Step 5: Solve for x
    x = 4,070,163,776.30/68,545.09
  6. Step 6: Final answer
    x = 59,379.36

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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.