Home / 98,271.32-135,597.42-57,982.04

Finding the Fourth Proportional to 98,271.32, 135,597.42 and 57,982.04

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Solution

The fourth proportional to 98,271.32, 135,597.42 and 57,982.04 is: 80,005.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,271.32 : 135,597.42 = 57,982.04 : x
  2. Step 2: Convert to fraction form
    98,271.32/135,597.42 = 57,982.04/x
  3. Step 3: Cross multiply
    98,271.32x = 135,597.42 × 57,982.04
  4. Step 4: Simplify right side
    98,271.32x = 7,862,215,030.34
  5. Step 5: Solve for x
    x = 7,862,215,030.34/98,271.32
  6. Step 6: Final answer
    x = 80,005.18

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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.