Home / 70,160.32-96,821.28-38,329.60

Finding the Fourth Proportional to 70,160.32, 96,821.28 and 38,329.60

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Solution

The fourth proportional to 70,160.32, 96,821.28 and 38,329.60 is: 52,894.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,160.32 : 96,821.28 = 38,329.60 : x
  2. Step 2: Convert to fraction form
    70,160.32/96,821.28 = 38,329.60/x
  3. Step 3: Cross multiply
    70,160.32x = 96,821.28 × 38,329.60
  4. Step 4: Simplify right side
    70,160.32x = 3,711,120,933.89
  5. Step 5: Solve for x
    x = 3,711,120,933.89/70,160.32
  6. Step 6: Final answer
    x = 52,894.87

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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.