Home / 88,897.36-122,678.44-51,171.64

Finding the Fourth Proportional to 88,897.36, 122,678.44 and 51,171.64

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Solution

The fourth proportional to 88,897.36, 122,678.44 and 51,171.64 is: 70,616.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,897.36 : 122,678.44 = 51,171.64 : x
  2. Step 2: Convert to fraction form
    88,897.36/122,678.44 = 51,171.64/x
  3. Step 3: Cross multiply
    88,897.36x = 122,678.44 × 51,171.64
  4. Step 4: Simplify right side
    88,897.36x = 6,277,656,967.44
  5. Step 5: Solve for x
    x = 6,277,656,967.44/88,897.36
  6. Step 6: Final answer
    x = 70,616.91

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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.