Home / 56,412.99-77,853.56-31,264.11

Finding the Fourth Proportional to 56,412.99, 77,853.56 and 31,264.11

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Solution

The fourth proportional to 56,412.99, 77,853.56 and 31,264.11 is: 43,146.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,412.99 : 77,853.56 = 31,264.11 : x
  2. Step 2: Convert to fraction form
    56,412.99/77,853.56 = 31,264.11/x
  3. Step 3: Cross multiply
    56,412.99x = 77,853.56 × 31,264.11
  4. Step 4: Simplify right side
    56,412.99x = 2,434,022,107.41
  5. Step 5: Solve for x
    x = 2,434,022,107.41/56,412.99
  6. Step 6: Final answer
    x = 43,146.48

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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.