Home / 98,211.44-135,525.40-57,915.96

Finding the Fourth Proportional to 98,211.44, 135,525.40 and 57,915.96

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Solution

The fourth proportional to 98,211.44, 135,525.40 and 57,915.96 is: 79,920.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,211.44 : 135,525.40 = 57,915.96 : x
  2. Step 2: Convert to fraction form
    98,211.44/135,525.40 = 57,915.96/x
  3. Step 3: Cross multiply
    98,211.44x = 135,525.40 × 57,915.96
  4. Step 4: Simplify right side
    98,211.44x = 7,849,083,645.38
  5. Step 5: Solve for x
    x = 7,849,083,645.38/98,211.44
  6. Step 6: Final answer
    x = 79,920.26

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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.