Home / 88,108.51-121,589.88-47,822.27

Finding the Fourth Proportional to 88,108.51, 121,589.88 and 47,822.27

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Solution

The fourth proportional to 88,108.51, 121,589.88 and 47,822.27 is: 65,994.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,108.51 : 121,589.88 = 47,822.27 : x
  2. Step 2: Convert to fraction form
    88,108.51/121,589.88 = 47,822.27/x
  3. Step 3: Cross multiply
    88,108.51x = 121,589.88 × 47,822.27
  4. Step 4: Simplify right side
    88,108.51x = 5,814,704,712.76
  5. Step 5: Solve for x
    x = 5,814,704,712.76/88,108.51
  6. Step 6: Final answer
    x = 65,994.81

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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.