Home / 88,346.10-121,920.86-50,627.64

Finding the Fourth Proportional to 88,346.10, 121,920.86 and 50,627.64

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Solution

The fourth proportional to 88,346.10, 121,920.86 and 50,627.64 is: 69,868.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,346.10 : 121,920.86 = 50,627.64 : x
  2. Step 2: Convert to fraction form
    88,346.10/121,920.86 = 50,627.64/x
  3. Step 3: Cross multiply
    88,346.10x = 121,920.86 × 50,627.64
  4. Step 4: Simplify right side
    88,346.10x = 6,172,565,408.57
  5. Step 5: Solve for x
    x = 6,172,565,408.57/88,346.10
  6. Step 6: Final answer
    x = 69,868.00

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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.