Home / 98,116.32-135,450.96-57,843.12

Finding the Fourth Proportional to 98,116.32, 135,450.96 and 57,843.12

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Solution

The fourth proportional to 98,116.32, 135,450.96 and 57,843.12 is: 79,853.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,116.32 : 135,450.96 = 57,843.12 : x
  2. Step 2: Convert to fraction form
    98,116.32/135,450.96 = 57,843.12/x
  3. Step 3: Cross multiply
    98,116.32x = 135,450.96 × 57,843.12
  4. Step 4: Simplify right side
    98,116.32x = 7,834,906,133.40
  5. Step 5: Solve for x
    x = 7,834,906,133.40/98,116.32
  6. Step 6: Final answer
    x = 79,853.24

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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.