Home / 70,029.99-96,639.75-38,199.15

Finding the Fourth Proportional to 70,029.99, 96,639.75 and 38,199.15

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Solution

The fourth proportional to 70,029.99, 96,639.75 and 38,199.15 is: 52,713.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,029.99 : 96,639.75 = 38,199.15 : x
  2. Step 2: Convert to fraction form
    70,029.99/96,639.75 = 38,199.15/x
  3. Step 3: Cross multiply
    70,029.99x = 96,639.75 × 38,199.15
  4. Step 4: Simplify right side
    70,029.99x = 3,691,556,306.21
  5. Step 5: Solve for x
    x = 3,691,556,306.21/70,029.99
  6. Step 6: Final answer
    x = 52,713.93

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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.