Home / 48,511.28-66,946.44-31,744.16

Finding the Fourth Proportional to 48,511.28, 66,946.44 and 31,744.16

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Solution

The fourth proportional to 48,511.28, 66,946.44 and 31,744.16 is: 43,807.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,511.28 : 66,946.44 = 31,744.16 : x
  2. Step 2: Convert to fraction form
    48,511.28/66,946.44 = 31,744.16/x
  3. Step 3: Cross multiply
    48,511.28x = 66,946.44 × 31,744.16
  4. Step 4: Simplify right side
    48,511.28x = 2,125,158,502.79
  5. Step 5: Solve for x
    x = 2,125,158,502.79/48,511.28
  6. Step 6: Final answer
    x = 43,807.51

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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.