Home / 49,486.32-74,229.48-42,802.95

Finding the Fourth Proportional to 49,486.32, 74,229.48 and 42,802.95

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Solution

The fourth proportional to 49,486.32, 74,229.48 and 42,802.95 is: 64,204.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,486.32 : 74,229.48 = 42,802.95 : x
  2. Step 2: Convert to fraction form
    49,486.32/74,229.48 = 42,802.95/x
  3. Step 3: Cross multiply
    49,486.32x = 74,229.48 × 42,802.95
  4. Step 4: Simplify right side
    49,486.32x = 3,177,240,720.97
  5. Step 5: Solve for x
    x = 3,177,240,720.97/49,486.32
  6. Step 6: Final answer
    x = 64,204.43

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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.