Home / 97,661.19-134,775.29-55,218.81

Finding the Fourth Proportional to 97,661.19, 134,775.29 and 55,218.81

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Solution

The fourth proportional to 97,661.19, 134,775.29 and 55,218.81 is: 76,203.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,661.19 : 134,775.29 = 55,218.81 : x
  2. Step 2: Convert to fraction form
    97,661.19/134,775.29 = 55,218.81/x
  3. Step 3: Cross multiply
    97,661.19x = 134,775.29 × 55,218.81
  4. Step 4: Simplify right side
    97,661.19x = 7,442,131,468.14
  5. Step 5: Solve for x
    x = 7,442,131,468.14/97,661.19
  6. Step 6: Final answer
    x = 76,203.57

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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.