Home / 54,629.40-81,972.18-47,281.08

Finding the Fourth Proportional to 54,629.40, 81,972.18 and 47,281.08

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Solution

The fourth proportional to 54,629.40, 81,972.18 and 47,281.08 is: 70,945.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,629.40 : 81,972.18 = 47,281.08 : x
  2. Step 2: Convert to fraction form
    54,629.40/81,972.18 = 47,281.08/x
  3. Step 3: Cross multiply
    54,629.40x = 81,972.18 × 47,281.08
  4. Step 4: Simplify right side
    54,629.40x = 3,875,733,200.35
  5. Step 5: Solve for x
    x = 3,875,733,200.35/54,629.40
  6. Step 6: Final answer
    x = 70,945.92

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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.