Home / 89,758.51-134,637.77-27,428.47

Finding the Fourth Proportional to 89,758.51, 134,637.77 and 27,428.47

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Solution

The fourth proportional to 89,758.51, 134,637.77 and 27,428.47 is: 41,142.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,758.51 : 134,637.77 = 27,428.47 : x
  2. Step 2: Convert to fraction form
    89,758.51/134,637.77 = 27,428.47/x
  3. Step 3: Cross multiply
    89,758.51x = 134,637.77 × 27,428.47
  4. Step 4: Simplify right side
    89,758.51x = 3,692,908,035.31
  5. Step 5: Solve for x
    x = 3,692,908,035.31/89,758.51
  6. Step 6: Final answer
    x = 41,142.71

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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.