Home / 70,148.23-96,803.17-39,521.39

Finding the Fourth Proportional to 70,148.23, 96,803.17 and 39,521.39

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Solution

The fourth proportional to 70,148.23, 96,803.17 and 39,521.39 is: 54,538.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,148.23 : 96,803.17 = 39,521.39 : x
  2. Step 2: Convert to fraction form
    70,148.23/96,803.17 = 39,521.39/x
  3. Step 3: Cross multiply
    70,148.23x = 96,803.17 × 39,521.39
  4. Step 4: Simplify right side
    70,148.23x = 3,825,795,251.99
  5. Step 5: Solve for x
    x = 3,825,795,251.99/70,148.23
  6. Step 6: Final answer
    x = 54,538.73

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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.