Home / 116,378.51-160,620.59-68,637.11

Finding the Fourth Proportional to 116,378.51, 160,620.59 and 68,637.11

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Solution

The fourth proportional to 116,378.51, 160,620.59 and 68,637.11 is: 94,729.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,378.51 : 160,620.59 = 68,637.11 : x
  2. Step 2: Convert to fraction form
    116,378.51/160,620.59 = 68,637.11/x
  3. Step 3: Cross multiply
    116,378.51x = 160,620.59 × 68,637.11
  4. Step 4: Simplify right side
    116,378.51x = 11,024,533,104.09
  5. Step 5: Solve for x
    x = 11,024,533,104.09/116,378.51
  6. Step 6: Final answer
    x = 94,729.97

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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.