Home / 49,063.36-67,680.48-31,146.24

Finding the Fourth Proportional to 49,063.36, 67,680.48 and 31,146.24

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Solution

The fourth proportional to 49,063.36, 67,680.48 and 31,146.24 is: 42,964.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,063.36 : 67,680.48 = 31,146.24 : x
  2. Step 2: Convert to fraction form
    49,063.36/67,680.48 = 31,146.24/x
  3. Step 3: Cross multiply
    49,063.36x = 67,680.48 × 31,146.24
  4. Step 4: Simplify right side
    49,063.36x = 2,107,992,473.40
  5. Step 5: Solve for x
    x = 2,107,992,473.40/49,063.36
  6. Step 6: Final answer
    x = 42,964.70

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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.