Home / 107,819.78-148,792.75-62,500.28

Finding the Fourth Proportional to 107,819.78, 148,792.75 and 62,500.28

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Solution

The fourth proportional to 107,819.78, 148,792.75 and 62,500.28 is: 86,251.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,819.78 : 148,792.75 = 62,500.28 : x
  2. Step 2: Convert to fraction form
    107,819.78/148,792.75 = 62,500.28/x
  3. Step 3: Cross multiply
    107,819.78x = 148,792.75 × 62,500.28
  4. Step 4: Simplify right side
    107,819.78x = 9,299,587,636.76
  5. Step 5: Solve for x
    x = 9,299,587,636.76/107,819.78
  6. Step 6: Final answer
    x = 86,251.22

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1.5x scale

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.