Home / 66,545.03-91,846.97-42,341.31

Finding the Fourth Proportional to 66,545.03, 91,846.97 and 42,341.31

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Solution

The fourth proportional to 66,545.03, 91,846.97 and 42,341.31 is: 58,440.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,545.03 : 91,846.97 = 42,341.31 : x
  2. Step 2: Convert to fraction form
    66,545.03/91,846.97 = 42,341.31/x
  3. Step 3: Cross multiply
    66,545.03x = 91,846.97 × 42,341.31
  4. Step 4: Simplify right side
    66,545.03x = 3,888,920,817.62
  5. Step 5: Solve for x
    x = 3,888,920,817.62/66,545.03
  6. Step 6: Final answer
    x = 58,440.44

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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.