Home / 83,280.54-114,930.12-47,464.77

Finding the Fourth Proportional to 83,280.54, 114,930.12 and 47,464.77

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Solution

The fourth proportional to 83,280.54, 114,930.12 and 47,464.77 is: 65,503.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,280.54 : 114,930.12 = 47,464.77 : x
  2. Step 2: Convert to fraction form
    83,280.54/114,930.12 = 47,464.77/x
  3. Step 3: Cross multiply
    83,280.54x = 114,930.12 × 47,464.77
  4. Step 4: Simplify right side
    83,280.54x = 5,455,131,711.87
  5. Step 5: Solve for x
    x = 5,455,131,711.87/83,280.54
  6. Step 6: Final answer
    x = 65,503.08

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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.