Home / 48,822.51-67,355.13-31,820.53

Finding the Fourth Proportional to 48,822.51, 67,355.13 and 31,820.53

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Solution

The fourth proportional to 48,822.51, 67,355.13 and 31,820.53 is: 43,899.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,822.51 : 67,355.13 = 31,820.53 : x
  2. Step 2: Convert to fraction form
    48,822.51/67,355.13 = 31,820.53/x
  3. Step 3: Cross multiply
    48,822.51x = 67,355.13 × 31,820.53
  4. Step 4: Simplify right side
    48,822.51x = 2,143,275,934.82
  5. Step 5: Solve for x
    x = 2,143,275,934.82/48,822.51
  6. Step 6: Final answer
    x = 43,899.34

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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.