Home / 98,866.58-148,306.79-39,702.25

Finding the Fourth Proportional to 98,866.58, 148,306.79 and 39,702.25

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Solution

The fourth proportional to 98,866.58, 148,306.79 and 39,702.25 is: 59,556.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,866.58 : 148,306.79 = 39,702.25 : x
  2. Step 2: Convert to fraction form
    98,866.58/148,306.79 = 39,702.25/x
  3. Step 3: Cross multiply
    98,866.58x = 148,306.79 × 39,702.25
  4. Step 4: Simplify right side
    98,866.58x = 5,888,113,253.28
  5. Step 5: Solve for x
    x = 5,888,113,253.28/98,866.58
  6. Step 6: Final answer
    x = 59,556.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.