Home / 84,957.12-117,227.52-49,144.32

Finding the Fourth Proportional to 84,957.12, 117,227.52 and 49,144.32

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Solution

The fourth proportional to 84,957.12, 117,227.52 and 49,144.32 is: 67,811.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,957.12 : 117,227.52 = 49,144.32 : x
  2. Step 2: Convert to fraction form
    84,957.12/117,227.52 = 49,144.32/x
  3. Step 3: Cross multiply
    84,957.12x = 117,227.52 × 49,144.32
  4. Step 4: Simplify right side
    84,957.12x = 5,761,066,755.69
  5. Step 5: Solve for x
    x = 5,761,066,755.69/84,957.12
  6. Step 6: Final answer
    x = 67,811.46

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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.