Home / 70,382.76-97,128.23-38,552.80

Finding the Fourth Proportional to 70,382.76, 97,128.23 and 38,552.80

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Solution

The fourth proportional to 70,382.76, 97,128.23 and 38,552.80 is: 53,202.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,382.76 : 97,128.23 = 38,552.80 : x
  2. Step 2: Convert to fraction form
    70,382.76/97,128.23 = 38,552.80/x
  3. Step 3: Cross multiply
    70,382.76x = 97,128.23 × 38,552.80
  4. Step 4: Simplify right side
    70,382.76x = 3,744,565,225.54
  5. Step 5: Solve for x
    x = 3,744,565,225.54/70,382.76
  6. Step 6: Final answer
    x = 53,202.88

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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.