Home / 48,109.87-66,348.60-30,206.53

Finding the Fourth Proportional to 48,109.87, 66,348.60 and 30,206.53

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Solution

The fourth proportional to 48,109.87, 66,348.60 and 30,206.53 is: 41,658.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,109.87 : 66,348.60 = 30,206.53 : x
  2. Step 2: Convert to fraction form
    48,109.87/66,348.60 = 30,206.53/x
  3. Step 3: Cross multiply
    48,109.87x = 66,348.60 × 30,206.53
  4. Step 4: Simplify right side
    48,109.87x = 2,004,160,976.36
  5. Step 5: Solve for x
    x = 2,004,160,976.36/48,109.87
  6. Step 6: Final answer
    x = 41,658.00

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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.