Home / 74,726.70-103,122.14-40,735.14

Finding the Fourth Proportional to 74,726.70, 103,122.14 and 40,735.14

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Solution

The fourth proportional to 74,726.70, 103,122.14 and 40,735.14 is: 56,214.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,726.70 : 103,122.14 = 40,735.14 : x
  2. Step 2: Convert to fraction form
    74,726.70/103,122.14 = 40,735.14/x
  3. Step 3: Cross multiply
    74,726.70x = 103,122.14 × 40,735.14
  4. Step 4: Simplify right side
    74,726.70x = 4,200,694,810.00
  5. Step 5: Solve for x
    x = 4,200,694,810.00/74,726.70
  6. Step 6: Final answer
    x = 56,214.11

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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.