Home / 111,867.12-154,341.80-63,461.02

Finding the Fourth Proportional to 111,867.12, 154,341.80 and 63,461.02

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Solution

The fourth proportional to 111,867.12, 154,341.80 and 63,461.02 is: 87,556.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,867.12 : 154,341.80 = 63,461.02 : x
  2. Step 2: Convert to fraction form
    111,867.12/154,341.80 = 63,461.02/x
  3. Step 3: Cross multiply
    111,867.12x = 154,341.80 × 63,461.02
  4. Step 4: Simplify right side
    111,867.12x = 9,794,687,353.48
  5. Step 5: Solve for x
    x = 9,794,687,353.48/111,867.12
  6. Step 6: Final answer
    x = 87,556.44

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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.