Home / 111,983.01-154,533.88-64,233.20

Finding the Fourth Proportional to 111,983.01, 154,533.88 and 64,233.20

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Solution

The fourth proportional to 111,983.01, 154,533.88 and 64,233.20 is: 88,640.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,983.01 : 154,533.88 = 64,233.20 : x
  2. Step 2: Convert to fraction form
    111,983.01/154,533.88 = 64,233.20/x
  3. Step 3: Cross multiply
    111,983.01x = 154,533.88 × 64,233.20
  4. Step 4: Simplify right side
    111,983.01x = 9,926,205,726.13
  5. Step 5: Solve for x
    x = 9,926,205,726.13/111,983.01
  6. Step 6: Final answer
    x = 88,640.29

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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.