Home / 107,170.87-160,756.34-39,726.10

Finding the Fourth Proportional to 107,170.87, 160,756.34 and 39,726.10

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Solution

The fourth proportional to 107,170.87, 160,756.34 and 39,726.10 is: 59,589.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,170.87 : 160,756.34 = 39,726.10 : x
  2. Step 2: Convert to fraction form
    107,170.87/160,756.34 = 39,726.10/x
  3. Step 3: Cross multiply
    107,170.87x = 160,756.34 × 39,726.10
  4. Step 4: Simplify right side
    107,170.87x = 6,386,221,634.69
  5. Step 5: Solve for x
    x = 6,386,221,634.69/107,170.87
  6. Step 6: Final answer
    x = 59,589.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.