Home / 81,539.38-112,524.54-47,571.22

Finding the Fourth Proportional to 81,539.38, 112,524.54 and 47,571.22

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Solution

The fourth proportional to 81,539.38, 112,524.54 and 47,571.22 is: 65,648.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,539.38 : 112,524.54 = 47,571.22 : x
  2. Step 2: Convert to fraction form
    81,539.38/112,524.54 = 47,571.22/x
  3. Step 3: Cross multiply
    81,539.38x = 112,524.54 × 47,571.22
  4. Step 4: Simplify right side
    81,539.38x = 5,352,929,647.74
  5. Step 5: Solve for x
    x = 5,352,929,647.74/81,539.38
  6. Step 6: Final answer
    x = 65,648.40

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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.