Home / 65,587.76-98,394.28-21,225.52

Finding the Fourth Proportional to 65,587.76, 98,394.28 and 21,225.52

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Solution

The fourth proportional to 65,587.76, 98,394.28 and 21,225.52 is: 31,842.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,587.76 : 98,394.28 = 21,225.52 : x
  2. Step 2: Convert to fraction form
    65,587.76/98,394.28 = 21,225.52/x
  3. Step 3: Cross multiply
    65,587.76x = 98,394.28 × 21,225.52
  4. Step 4: Simplify right side
    65,587.76x = 2,088,469,758.03
  5. Step 5: Solve for x
    x = 2,088,469,758.03/65,587.76
  6. Step 6: Final answer
    x = 31,842.37

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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.