Home / 88,781.68-122,522.36-51,055.92

Finding the Fourth Proportional to 88,781.68, 122,522.36 and 51,055.92

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Solution

The fourth proportional to 88,781.68, 122,522.36 and 51,055.92 is: 70,459.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,781.68 : 122,522.36 = 51,055.92 : x
  2. Step 2: Convert to fraction form
    88,781.68/122,522.36 = 51,055.92/x
  3. Step 3: Cross multiply
    88,781.68x = 122,522.36 × 51,055.92
  4. Step 4: Simplify right side
    88,781.68x = 6,255,491,810.37
  5. Step 5: Solve for x
    x = 6,255,491,810.37/88,781.68
  6. Step 6: Final answer
    x = 70,459.26

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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.