Home / 123,897.36-171,003.24-73,586.64

Finding the Fourth Proportional to 123,897.36, 171,003.24 and 73,586.64

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Solution

The fourth proportional to 123,897.36, 171,003.24 and 73,586.64 is: 101,564.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,897.36 : 171,003.24 = 73,586.64 : x
  2. Step 2: Convert to fraction form
    123,897.36/171,003.24 = 73,586.64/x
  3. Step 3: Cross multiply
    123,897.36x = 171,003.24 × 73,586.64
  4. Step 4: Simplify right side
    123,897.36x = 12,583,553,860.71
  5. Step 5: Solve for x
    x = 12,583,553,860.71/123,897.36
  6. Step 6: Final answer
    x = 101,564.34

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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.