Home / 89,003.36-122,855.36-51,292.64

Finding the Fourth Proportional to 89,003.36, 122,855.36 and 51,292.64

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Solution

The fourth proportional to 89,003.36, 122,855.36 and 51,292.64 is: 70,801.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,003.36 : 122,855.36 = 51,292.64 : x
  2. Step 2: Convert to fraction form
    89,003.36/122,855.36 = 51,292.64/x
  3. Step 3: Cross multiply
    89,003.36x = 122,855.36 × 51,292.64
  4. Step 4: Simplify right side
    89,003.36x = 6,301,575,752.55
  5. Step 5: Solve for x
    x = 6,301,575,752.55/89,003.36
  6. Step 6: Final answer
    x = 70,801.55

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1.5x scale

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.