Home / 117,109.51-175,637.99-53,868.90

Finding the Fourth Proportional to 117,109.51, 175,637.99 and 53,868.90

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Solution

The fourth proportional to 117,109.51, 175,637.99 and 53,868.90 is: 80,791.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,109.51 : 175,637.99 = 53,868.90 : x
  2. Step 2: Convert to fraction form
    117,109.51/175,637.99 = 53,868.90/x
  3. Step 3: Cross multiply
    117,109.51x = 175,637.99 × 53,868.90
  4. Step 4: Simplify right side
    117,109.51x = 9,461,425,319.51
  5. Step 5: Solve for x
    x = 9,461,425,319.51/117,109.51
  6. Step 6: Final answer
    x = 80,791.26

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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.