Home / 54,449.50-74,907.03-52,116.70

Finding the Fourth Proportional to 54,449.50, 74,907.03 and 52,116.70

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Solution

The fourth proportional to 54,449.50, 74,907.03 and 52,116.70 is: 71,697.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,449.50 : 74,907.03 = 52,116.70 : x
  2. Step 2: Convert to fraction form
    54,449.50/74,907.03 = 52,116.70/x
  3. Step 3: Cross multiply
    54,449.50x = 74,907.03 × 52,116.70
  4. Step 4: Simplify right side
    54,449.50x = 3,903,907,210.40
  5. Step 5: Solve for x
    x = 3,903,907,210.40/54,449.50
  6. Step 6: Final answer
    x = 71,697.76

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1.5x scale

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.