Home / 67,005.74-100,505.36-25,449.50

Finding the Fourth Proportional to 67,005.74, 100,505.36 and 25,449.50

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Solution

The fourth proportional to 67,005.74, 100,505.36 and 25,449.50 is: 38,173.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,005.74 : 100,505.36 = 25,449.50 : x
  2. Step 2: Convert to fraction form
    67,005.74/100,505.36 = 25,449.50/x
  3. Step 3: Cross multiply
    67,005.74x = 100,505.36 × 25,449.50
  4. Step 4: Simplify right side
    67,005.74x = 2,557,811,159.32
  5. Step 5: Solve for x
    x = 2,557,811,159.32/67,005.74
  6. Step 6: Final answer
    x = 38,173.02

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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.