Home / 88,122.06-121,634.06-53,679.24

Finding the Fourth Proportional to 88,122.06, 121,634.06 and 53,679.24

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Solution

The fourth proportional to 88,122.06, 121,634.06 and 53,679.24 is: 74,092.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,122.06 : 121,634.06 = 53,679.24 : x
  2. Step 2: Convert to fraction form
    88,122.06/121,634.06 = 53,679.24/x
  3. Step 3: Cross multiply
    88,122.06x = 121,634.06 × 53,679.24
  4. Step 4: Simplify right side
    88,122.06x = 6,529,223,630.52
  5. Step 5: Solve for x
    x = 6,529,223,630.52/88,122.06
  6. Step 6: Final answer
    x = 74,092.95

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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.