Home / 107,066.10-147,747.27-61,745.97

Finding the Fourth Proportional to 107,066.10, 147,747.27 and 61,745.97

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Solution

The fourth proportional to 107,066.10, 147,747.27 and 61,745.97 is: 85,207.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,066.10 : 147,747.27 = 61,745.97 : x
  2. Step 2: Convert to fraction form
    107,066.10/147,747.27 = 61,745.97/x
  3. Step 3: Cross multiply
    107,066.10x = 147,747.27 × 61,745.97
  4. Step 4: Simplify right side
    107,066.10x = 9,122,798,501.00
  5. Step 5: Solve for x
    x = 9,122,798,501.00/107,066.10
  6. Step 6: Final answer
    x = 85,207.16

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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.