Home / 62,878.24-86,780.46-57,563.56

Finding the Fourth Proportional to 62,878.24, 86,780.46 and 57,563.56

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Solution

The fourth proportional to 62,878.24, 86,780.46 and 57,563.56 is: 79,445.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,878.24 : 86,780.46 = 57,563.56 : x
  2. Step 2: Convert to fraction form
    62,878.24/86,780.46 = 57,563.56/x
  3. Step 3: Cross multiply
    62,878.24x = 86,780.46 × 57,563.56
  4. Step 4: Simplify right side
    62,878.24x = 4,995,392,216.04
  5. Step 5: Solve for x
    x = 4,995,392,216.04/62,878.24
  6. Step 6: Final answer
    x = 79,445.48

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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.