Home / 83,280.54-114,930.39-45,557.34

Finding the Fourth Proportional to 83,280.54, 114,930.39 and 45,557.34

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Solution

The fourth proportional to 83,280.54, 114,930.39 and 45,557.34 is: 62,870.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,280.54 : 114,930.39 = 45,557.34 : x
  2. Step 2: Convert to fraction form
    83,280.54/114,930.39 = 45,557.34/x
  3. Step 3: Cross multiply
    83,280.54x = 114,930.39 × 45,557.34
  4. Step 4: Simplify right side
    83,280.54x = 5,235,922,853.56
  5. Step 5: Solve for x
    x = 5,235,922,853.56/83,280.54
  6. Step 6: Final answer
    x = 62,870.90

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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.