Home / 57,972.64-87,353.84-47,673.36

Finding the Fourth Proportional to 57,972.64, 87,353.84 and 47,673.36

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Solution

The fourth proportional to 57,972.64, 87,353.84 and 47,673.36 is: 71,834.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,972.64 : 87,353.84 = 47,673.36 : x
  2. Step 2: Convert to fraction form
    57,972.64/87,353.84 = 47,673.36/x
  3. Step 3: Cross multiply
    57,972.64x = 87,353.84 × 47,673.36
  4. Step 4: Simplify right side
    57,972.64x = 4,164,450,386.57
  5. Step 5: Solve for x
    x = 4,164,450,386.57/57,972.64
  6. Step 6: Final answer
    x = 71,834.75

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.