Home / 74,519.28-102,766.31-48,980.52

Finding the Fourth Proportional to 74,519.28, 102,766.31 and 48,980.52

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Solution

The fourth proportional to 74,519.28, 102,766.31 and 48,980.52 is: 67,546.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,519.28 : 102,766.31 = 48,980.52 : x
  2. Step 2: Convert to fraction form
    74,519.28/102,766.31 = 48,980.52/x
  3. Step 3: Cross multiply
    74,519.28x = 102,766.31 × 48,980.52
  4. Step 4: Simplify right side
    74,519.28x = 5,033,547,302.28
  5. Step 5: Solve for x
    x = 5,033,547,302.28/74,519.28
  6. Step 6: Final answer
    x = 67,546.91

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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.