Home / 74,126.97-111,001-40,810.41

Finding the Fourth Proportional to 74,126.97, 111,001 and 40,810.41

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Solution

The fourth proportional to 74,126.97, 111,001 and 40,810.41 is: 61,111.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,126.97 : 111,001 = 40,810.41 : x
  2. Step 2: Convert to fraction form
    74,126.97/111,001 = 40,810.41/x
  3. Step 3: Cross multiply
    74,126.97x = 111,001 × 40,810.41
  4. Step 4: Simplify right side
    74,126.97x = 4,529,996,320.41
  5. Step 5: Solve for x
    x = 4,529,996,320.41/74,126.97
  6. Step 6: Final answer
    x = 61,111.31

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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.