Home / 81,331.14-112,237.54-45,524.46

Finding the Fourth Proportional to 81,331.14, 112,237.54 and 45,524.46

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Solution

The fourth proportional to 81,331.14, 112,237.54 and 45,524.46 is: 62,824.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,331.14 : 112,237.54 = 45,524.46 : x
  2. Step 2: Convert to fraction form
    81,331.14/112,237.54 = 45,524.46/x
  3. Step 3: Cross multiply
    81,331.14x = 112,237.54 × 45,524.46
  4. Step 4: Simplify right side
    81,331.14x = 5,109,553,400.23
  5. Step 5: Solve for x
    x = 5,109,553,400.23/81,331.14
  6. Step 6: Final answer
    x = 62,824.07

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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.