Home / 88,621.92-122,237.16-52,784.16

Finding the Fourth Proportional to 88,621.92, 122,237.16 and 52,784.16

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Solution

The fourth proportional to 88,621.92, 122,237.16 and 52,784.16 is: 72,805.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,621.92 : 122,237.16 = 52,784.16 : x
  2. Step 2: Convert to fraction form
    88,621.92/122,237.16 = 52,784.16/x
  3. Step 3: Cross multiply
    88,621.92x = 122,237.16 × 52,784.16
  4. Step 4: Simplify right side
    88,621.92x = 6,452,185,811.39
  5. Step 5: Solve for x
    x = 6,452,185,811.39/88,621.92
  6. Step 6: Final answer
    x = 72,805.76

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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.