Home / 70,442.26-97,212.81-38,611.15

Finding the Fourth Proportional to 70,442.26, 97,212.81 and 38,611.15

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Solution

The fourth proportional to 70,442.26, 97,212.81 and 38,611.15 is: 53,284.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,442.26 : 97,212.81 = 38,611.15 : x
  2. Step 2: Convert to fraction form
    70,442.26/97,212.81 = 38,611.15/x
  3. Step 3: Cross multiply
    70,442.26x = 97,212.81 × 38,611.15
  4. Step 4: Simplify right side
    70,442.26x = 3,753,498,388.83
  5. Step 5: Solve for x
    x = 3,753,498,388.83/70,442.26
  6. Step 6: Final answer
    x = 53,284.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.