Home / 83,311.32-114,969.60-45,585.60

Finding the Fourth Proportional to 83,311.32, 114,969.60 and 45,585.60

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Solution

The fourth proportional to 83,311.32, 114,969.60 and 45,585.60 is: 62,908.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,311.32 : 114,969.60 = 45,585.60 : x
  2. Step 2: Convert to fraction form
    83,311.32/114,969.60 = 45,585.60/x
  3. Step 3: Cross multiply
    83,311.32x = 114,969.60 × 45,585.60
  4. Step 4: Simplify right side
    83,311.32x = 5,240,958,197.76
  5. Step 5: Solve for x
    x = 5,240,958,197.76/83,311.32
  6. Step 6: Final answer
    x = 62,908.12

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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.