Home / 49,284.78-74,259.69-40,711.66

Finding the Fourth Proportional to 49,284.78, 74,259.69 and 40,711.66

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Solution

The fourth proportional to 49,284.78, 74,259.69 and 40,711.66 is: 61,342.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,284.78 : 74,259.69 = 40,711.66 : x
  2. Step 2: Convert to fraction form
    49,284.78/74,259.69 = 40,711.66/x
  3. Step 3: Cross multiply
    49,284.78x = 74,259.69 × 40,711.66
  4. Step 4: Simplify right side
    49,284.78x = 3,023,235,047.43
  5. Step 5: Solve for x
    x = 3,023,235,047.43/49,284.78
  6. Step 6: Final answer
    x = 61,342.16

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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.