Home / 98,819.34-148,209.30-35,637.72

Finding the Fourth Proportional to 98,819.34, 148,209.30 and 35,637.72

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Solution

The fourth proportional to 98,819.34, 148,209.30 and 35,637.72 is: 53,449.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,819.34 : 148,209.30 = 35,637.72 : x
  2. Step 2: Convert to fraction form
    98,819.34/148,209.30 = 35,637.72/x
  3. Step 3: Cross multiply
    98,819.34x = 148,209.30 × 35,637.72
  4. Step 4: Simplify right side
    98,819.34x = 5,281,841,534.80
  5. Step 5: Solve for x
    x = 5,281,841,534.80/98,819.34
  6. Step 6: Final answer
    x = 53,449.47

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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.