Home / 67,019.64-100,531.88-33,721.59

Finding the Fourth Proportional to 67,019.64, 100,531.88 and 33,721.59

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Solution

The fourth proportional to 67,019.64, 100,531.88 and 33,721.59 is: 50,583.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,019.64 : 100,531.88 = 33,721.59 : x
  2. Step 2: Convert to fraction form
    67,019.64/100,531.88 = 33,721.59/x
  3. Step 3: Cross multiply
    67,019.64x = 100,531.88 × 33,721.59
  4. Step 4: Simplify right side
    67,019.64x = 3,390,094,839.29
  5. Step 5: Solve for x
    x = 3,390,094,839.29/67,019.64
  6. Step 6: Final answer
    x = 50,583.60

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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.