Home / 105,564.89-145,681.91-60,241.97

Finding the Fourth Proportional to 105,564.89, 145,681.91 and 60,241.97

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Solution

The fourth proportional to 105,564.89, 145,681.91 and 60,241.97 is: 83,135.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,564.89 : 145,681.91 = 60,241.97 : x
  2. Step 2: Convert to fraction form
    105,564.89/145,681.91 = 60,241.97/x
  3. Step 3: Cross multiply
    105,564.89x = 145,681.91 × 60,241.97
  4. Step 4: Simplify right side
    105,564.89x = 8,776,165,540.67
  5. Step 5: Solve for x
    x = 8,776,165,540.67/105,564.89
  6. Step 6: Final answer
    x = 83,135.27

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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.