Home / 74,274.60-102,499.38-42,444.66

Finding the Fourth Proportional to 74,274.60, 102,499.38 and 42,444.66

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Solution

The fourth proportional to 74,274.60, 102,499.38 and 42,444.66 is: 58,573.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,274.60 : 102,499.38 = 42,444.66 : x
  2. Step 2: Convert to fraction form
    74,274.60/102,499.38 = 42,444.66/x
  3. Step 3: Cross multiply
    74,274.60x = 102,499.38 × 42,444.66
  4. Step 4: Simplify right side
    74,274.60x = 4,350,551,334.31
  5. Step 5: Solve for x
    x = 4,350,551,334.31/74,274.60
  6. Step 6: Final answer
    x = 58,573.88

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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.