Home / 70,034.04-96,647.68-38,203.61

Finding the Fourth Proportional to 70,034.04, 96,647.68 and 38,203.61

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Solution

The fourth proportional to 70,034.04, 96,647.68 and 38,203.61 is: 52,721.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,034.04 : 96,647.68 = 38,203.61 : x
  2. Step 2: Convert to fraction form
    70,034.04/96,647.68 = 38,203.61/x
  3. Step 3: Cross multiply
    70,034.04x = 96,647.68 × 38,203.61
  4. Step 4: Simplify right side
    70,034.04x = 3,692,290,274.12
  5. Step 5: Solve for x
    x = 3,692,290,274.12/70,034.04
  6. Step 6: Final answer
    x = 52,721.37

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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.