Home / 113,277.51-169,682.94-66,417.39

Finding the Fourth Proportional to 113,277.51, 169,682.94 and 66,417.39

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Solution

The fourth proportional to 113,277.51, 169,682.94 and 66,417.39 is: 99,489.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,277.51 : 169,682.94 = 66,417.39 : x
  2. Step 2: Convert to fraction form
    113,277.51/169,682.94 = 66,417.39/x
  3. Step 3: Cross multiply
    113,277.51x = 169,682.94 × 66,417.39
  4. Step 4: Simplify right side
    113,277.51x = 11,269,898,002.33
  5. Step 5: Solve for x
    x = 11,269,898,002.33/113,277.51
  6. Step 6: Final answer
    x = 99,489.28

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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.