Home / 56,496.28-77,964.65-31,003.08

Finding the Fourth Proportional to 56,496.28, 77,964.65 and 31,003.08

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Solution

The fourth proportional to 56,496.28, 77,964.65 and 31,003.08 is: 42,784.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,496.28 : 77,964.65 = 31,003.08 : x
  2. Step 2: Convert to fraction form
    56,496.28/77,964.65 = 31,003.08/x
  3. Step 3: Cross multiply
    56,496.28x = 77,964.65 × 31,003.08
  4. Step 4: Simplify right side
    56,496.28x = 2,417,143,891.30
  5. Step 5: Solve for x
    x = 2,417,143,891.30/56,496.28
  6. Step 6: Final answer
    x = 42,784.12

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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.