Home / 56,195.76-77,553.78-31,045.26

Finding the Fourth Proportional to 56,195.76, 77,553.78 and 31,045.26

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Solution

The fourth proportional to 56,195.76, 77,553.78 and 31,045.26 is: 42,844.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,195.76 : 77,553.78 = 31,045.26 : x
  2. Step 2: Convert to fraction form
    56,195.76/77,553.78 = 31,045.26/x
  3. Step 3: Cross multiply
    56,195.76x = 77,553.78 × 31,045.26
  4. Step 4: Simplify right side
    56,195.76x = 2,407,677,264.08
  5. Step 5: Solve for x
    x = 2,407,677,264.08/56,195.76
  6. Step 6: Final answer
    x = 42,844.46

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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.