Home / 62,623.31-86,432.90-57,579.53

Finding the Fourth Proportional to 62,623.31, 86,432.90 and 57,579.53

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Solution

The fourth proportional to 62,623.31, 86,432.90 and 57,579.53 is: 79,471.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,623.31 : 86,432.90 = 57,579.53 : x
  2. Step 2: Convert to fraction form
    62,623.31/86,432.90 = 57,579.53/x
  3. Step 3: Cross multiply
    62,623.31x = 86,432.90 × 57,579.53
  4. Step 4: Simplify right side
    62,623.31x = 4,976,765,686.72
  5. Step 5: Solve for x
    x = 4,976,765,686.72/62,623.31
  6. Step 6: Final answer
    x = 79,471.46

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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.