Home / 83,219.64-124,823.70-30,619.32

Finding the Fourth Proportional to 83,219.64, 124,823.70 and 30,619.32

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Solution

The fourth proportional to 83,219.64, 124,823.70 and 30,619.32 is: 45,926.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,219.64 : 124,823.70 = 30,619.32 : x
  2. Step 2: Convert to fraction form
    83,219.64/124,823.70 = 30,619.32/x
  3. Step 3: Cross multiply
    83,219.64x = 124,823.70 × 30,619.32
  4. Step 4: Simplify right side
    83,219.64x = 3,822,016,813.88
  5. Step 5: Solve for x
    x = 3,822,016,813.88/83,219.64
  6. Step 6: Final answer
    x = 45,926.86

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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.