Home / 49,287.78-74,264.21-40,714.66

Finding the Fourth Proportional to 49,287.78, 74,264.21 and 40,714.66

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Solution

The fourth proportional to 49,287.78, 74,264.21 and 40,714.66 is: 61,346.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,287.78 : 74,264.21 = 40,714.66 : x
  2. Step 2: Convert to fraction form
    49,287.78/74,264.21 = 40,714.66/x
  3. Step 3: Cross multiply
    49,287.78x = 74,264.21 × 40,714.66
  4. Step 4: Simplify right side
    49,287.78x = 3,023,642,060.32
  5. Step 5: Solve for x
    x = 3,023,642,060.32/49,287.78
  6. Step 6: Final answer
    x = 61,346.69

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.