Home / 50,275.64-69,412.88-31,175.70

Finding the Fourth Proportional to 50,275.64, 69,412.88 and 31,175.70

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Solution

The fourth proportional to 50,275.64, 69,412.88 and 31,175.70 is: 43,042.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,275.64 : 69,412.88 = 31,175.70 : x
  2. Step 2: Convert to fraction form
    50,275.64/69,412.88 = 31,175.70/x
  3. Step 3: Cross multiply
    50,275.64x = 69,412.88 × 31,175.70
  4. Step 4: Simplify right side
    50,275.64x = 2,163,994,967.14
  5. Step 5: Solve for x
    x = 2,163,994,967.14/50,275.64
  6. Step 6: Final answer
    x = 43,042.62

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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.