Home / 74,243.48-111,398.33-34,240.95

Finding the Fourth Proportional to 74,243.48, 111,398.33 and 34,240.95

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Solution

The fourth proportional to 74,243.48, 111,398.33 and 34,240.95 is: 51,376.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,243.48 : 111,398.33 = 34,240.95 : x
  2. Step 2: Convert to fraction form
    74,243.48/111,398.33 = 34,240.95/x
  3. Step 3: Cross multiply
    74,243.48x = 111,398.33 × 34,240.95
  4. Step 4: Simplify right side
    74,243.48x = 3,814,385,108.16
  5. Step 5: Solve for x
    x = 3,814,385,108.16/74,243.48
  6. Step 6: Final answer
    x = 51,376.70

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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.