Home / 74,444.56-102,734.13-40,453.04

Finding the Fourth Proportional to 74,444.56, 102,734.13 and 40,453.04

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Solution

The fourth proportional to 74,444.56, 102,734.13 and 40,453.04 is: 55,825.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,444.56 : 102,734.13 = 40,453.04 : x
  2. Step 2: Convert to fraction form
    74,444.56/102,734.13 = 40,453.04/x
  3. Step 3: Cross multiply
    74,444.56x = 102,734.13 × 40,453.04
  4. Step 4: Simplify right side
    74,444.56x = 4,155,908,278.79
  5. Step 5: Solve for x
    x = 4,155,908,278.79/74,444.56
  6. Step 6: Final answer
    x = 55,825.55

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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.