Home / 107,030.36-160,791.68-75,513.06

Finding the Fourth Proportional to 107,030.36, 160,791.68 and 75,513.06

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Solution

The fourth proportional to 107,030.36, 160,791.68 and 75,513.06 is: 113,443.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,030.36 : 160,791.68 = 75,513.06 : x
  2. Step 2: Convert to fraction form
    107,030.36/160,791.68 = 75,513.06/x
  3. Step 3: Cross multiply
    107,030.36x = 160,791.68 × 75,513.06
  4. Step 4: Simplify right side
    107,030.36x = 12,141,871,968.12
  5. Step 5: Solve for x
    x = 12,141,871,968.12/107,030.36
  6. Step 6: Final answer
    x = 113,443.25

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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.