Home / 88,125.21-121,612.77-50,399.46

Finding the Fourth Proportional to 88,125.21, 121,612.77 and 50,399.46

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Solution

The fourth proportional to 88,125.21, 121,612.77 and 50,399.46 is: 69,551.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,125.21 : 121,612.77 = 50,399.46 : x
  2. Step 2: Convert to fraction form
    88,125.21/121,612.77 = 50,399.46/x
  3. Step 3: Cross multiply
    88,125.21x = 121,612.77 × 50,399.46
  4. Step 4: Simplify right side
    88,125.21x = 6,129,217,937.10
  5. Step 5: Solve for x
    x = 6,129,217,937.10/88,125.21
  6. Step 6: Final answer
    x = 69,551.24

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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.