Home / 61,015.32-84,202.74-34,157.70

Finding the Fourth Proportional to 61,015.32, 84,202.74 and 34,157.70

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Solution

The fourth proportional to 61,015.32, 84,202.74 and 34,157.70 is: 47,138.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,015.32 : 84,202.74 = 34,157.70 : x
  2. Step 2: Convert to fraction form
    61,015.32/84,202.74 = 34,157.70/x
  3. Step 3: Cross multiply
    61,015.32x = 84,202.74 × 34,157.70
  4. Step 4: Simplify right side
    61,015.32x = 2,876,171,932.10
  5. Step 5: Solve for x
    x = 2,876,171,932.10/61,015.32
  6. Step 6: Final answer
    x = 47,138.52

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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.