Home / 74,139.02-111,185.52-26,747.95

Finding the Fourth Proportional to 74,139.02, 111,185.52 and 26,747.95

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Solution

The fourth proportional to 74,139.02, 111,185.52 and 26,747.95 is: 40,113.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,139.02 : 111,185.52 = 26,747.95 : x
  2. Step 2: Convert to fraction form
    74,139.02/111,185.52 = 26,747.95/x
  3. Step 3: Cross multiply
    74,139.02x = 111,185.52 × 26,747.95
  4. Step 4: Simplify right side
    74,139.02x = 2,973,984,577.76
  5. Step 5: Solve for x
    x = 2,973,984,577.76/74,139.02
  6. Step 6: Final answer
    x = 40,113.62

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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.