Home / 88,410.72-121,965.60-52,580.64

Finding the Fourth Proportional to 88,410.72, 121,965.60 and 52,580.64

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Solution

The fourth proportional to 88,410.72, 121,965.60 and 52,580.64 is: 72,536.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,410.72 : 121,965.60 = 52,580.64 : x
  2. Step 2: Convert to fraction form
    88,410.72/121,965.60 = 52,580.64/x
  3. Step 3: Cross multiply
    88,410.72x = 121,965.60 × 52,580.64
  4. Step 4: Simplify right side
    88,410.72x = 6,413,029,305.98
  5. Step 5: Solve for x
    x = 6,413,029,305.98/88,410.72
  6. Step 6: Final answer
    x = 72,536.78

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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.