Home / 97,987.69-146,991.26-38,864.17

Finding the Fourth Proportional to 97,987.69, 146,991.26 and 38,864.17

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Solution

The fourth proportional to 97,987.69, 146,991.26 and 38,864.17 is: 58,300.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,987.69 : 146,991.26 = 38,864.17 : x
  2. Step 2: Convert to fraction form
    97,987.69/146,991.26 = 38,864.17/x
  3. Step 3: Cross multiply
    97,987.69x = 146,991.26 × 38,864.17
  4. Step 4: Simplify right side
    97,987.69x = 5,712,693,122.83
  5. Step 5: Solve for x
    x = 5,712,693,122.83/97,987.69
  6. Step 6: Final answer
    x = 58,300.11

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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.