Home / 113,103.90-169,655.73-28,864.06

Finding the Fourth Proportional to 113,103.90, 169,655.73 and 28,864.06

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Solution

The fourth proportional to 113,103.90, 169,655.73 and 28,864.06 is: 43,296.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,103.90 : 169,655.73 = 28,864.06 : x
  2. Step 2: Convert to fraction form
    113,103.90/169,655.73 = 28,864.06/x
  3. Step 3: Cross multiply
    113,103.90x = 169,655.73 × 28,864.06
  4. Step 4: Simplify right side
    113,103.90x = 4,896,953,170.06
  5. Step 5: Solve for x
    x = 4,896,953,170.06/113,103.90
  6. Step 6: Final answer
    x = 43,296.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.