Home / 70,154.49-96,819.87-38,328.18

Finding the Fourth Proportional to 70,154.49, 96,819.87 and 38,328.18

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Solution

The fourth proportional to 70,154.49, 96,819.87 and 38,328.18 is: 52,896.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,154.49 : 96,819.87 = 38,328.18 : x
  2. Step 2: Convert to fraction form
    70,154.49/96,819.87 = 38,328.18/x
  3. Step 3: Cross multiply
    70,154.49x = 96,819.87 × 38,328.18
  4. Step 4: Simplify right side
    70,154.49x = 3,710,929,404.94
  5. Step 5: Solve for x
    x = 3,710,929,404.94/70,154.49
  6. Step 6: Final answer
    x = 52,896.53

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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.