Home / 83,240.10-114,878.84-47,441.64

Finding the Fourth Proportional to 83,240.10, 114,878.84 and 47,441.64

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Solution

The fourth proportional to 83,240.10, 114,878.84 and 47,441.64 is: 65,473.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,240.10 : 114,878.84 = 47,441.64 : x
  2. Step 2: Convert to fraction form
    83,240.10/114,878.84 = 47,441.64/x
  3. Step 3: Cross multiply
    83,240.10x = 114,878.84 × 47,441.64
  4. Step 4: Simplify right side
    83,240.10x = 5,450,041,120.30
  5. Step 5: Solve for x
    x = 5,450,041,120.30/83,240.10
  6. Step 6: Final answer
    x = 65,473.75

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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.