Home / 45,346.64-62,637.84-31,174.88

Finding the Fourth Proportional to 45,346.64, 62,637.84 and 31,174.88

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Solution

The fourth proportional to 45,346.64, 62,637.84 and 31,174.88 is: 43,062.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,346.64 : 62,637.84 = 31,174.88 : x
  2. Step 2: Convert to fraction form
    45,346.64/62,637.84 = 31,174.88/x
  3. Step 3: Cross multiply
    45,346.64x = 62,637.84 × 31,174.88
  4. Step 4: Simplify right side
    45,346.64x = 1,952,727,145.46
  5. Step 5: Solve for x
    x = 1,952,727,145.46/45,346.64
  6. Step 6: Final answer
    x = 43,062.22

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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.