Home / 88,276.78-121,832.16-52,466.48

Finding the Fourth Proportional to 88,276.78, 121,832.16 and 52,466.48

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Solution

The fourth proportional to 88,276.78, 121,832.16 and 52,466.48 is: 72,409.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,276.78 : 121,832.16 = 52,466.48 : x
  2. Step 2: Convert to fraction form
    88,276.78/121,832.16 = 52,466.48/x
  3. Step 3: Cross multiply
    88,276.78x = 121,832.16 × 52,466.48
  4. Step 4: Simplify right side
    88,276.78x = 6,392,104,586.00
  5. Step 5: Solve for x
    x = 6,392,104,586.00/88,276.78
  6. Step 6: Final answer
    x = 72,409.81

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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.