Home / 67,132.18-100,698.07-27,688.22

Finding the Fourth Proportional to 67,132.18, 100,698.07 and 27,688.22

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Solution

The fourth proportional to 67,132.18, 100,698.07 and 27,688.22 is: 41,532.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,132.18 : 100,698.07 = 27,688.22 : x
  2. Step 2: Convert to fraction form
    67,132.18/100,698.07 = 27,688.22/x
  3. Step 3: Cross multiply
    67,132.18x = 100,698.07 × 27,688.22
  4. Step 4: Simplify right side
    67,132.18x = 2,788,150,315.74
  5. Step 5: Solve for x
    x = 2,788,150,315.74/67,132.18
  6. Step 6: Final answer
    x = 41,532.25

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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.