Home / 49,340.70-74,011.05-45,539.10

Finding the Fourth Proportional to 49,340.70, 74,011.05 and 45,539.10

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Solution

The fourth proportional to 49,340.70, 74,011.05 and 45,539.10 is: 68,308.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,340.70 : 74,011.05 = 45,539.10 : x
  2. Step 2: Convert to fraction form
    49,340.70/74,011.05 = 45,539.10/x
  3. Step 3: Cross multiply
    49,340.70x = 74,011.05 × 45,539.10
  4. Step 4: Simplify right side
    49,340.70x = 3,370,396,607.06
  5. Step 5: Solve for x
    x = 3,370,396,607.06/49,340.70
  6. Step 6: Final answer
    x = 68,308.65

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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.