Home / 75,160.40-112,594.68-67,175.12

Finding the Fourth Proportional to 75,160.40, 112,594.68 and 67,175.12

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Solution

The fourth proportional to 75,160.40, 112,594.68 and 67,175.12 is: 100,632.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,160.40 : 112,594.68 = 67,175.12 : x
  2. Step 2: Convert to fraction form
    75,160.40/112,594.68 = 67,175.12/x
  3. Step 3: Cross multiply
    75,160.40x = 112,594.68 × 67,175.12
  4. Step 4: Simplify right side
    75,160.40x = 7,563,561,140.36
  5. Step 5: Solve for x
    x = 7,563,561,140.36/75,160.40
  6. Step 6: Final answer
    x = 100,632.26

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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.