Home / 48,165.75-66,446.28-31,175.46

Finding the Fourth Proportional to 48,165.75, 66,446.28 and 31,175.46

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Solution

The fourth proportional to 48,165.75, 66,446.28 and 31,175.46 is: 43,007.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,165.75 : 66,446.28 = 31,175.46 : x
  2. Step 2: Convert to fraction form
    48,165.75/66,446.28 = 31,175.46/x
  3. Step 3: Cross multiply
    48,165.75x = 66,446.28 × 31,175.46
  4. Step 4: Simplify right side
    48,165.75x = 2,071,493,344.29
  5. Step 5: Solve for x
    x = 2,071,493,344.29/48,165.75
  6. Step 6: Final answer
    x = 43,007.60

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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.