Home / 105,988.79-146,272.68-60,681.03

Finding the Fourth Proportional to 105,988.79, 146,272.68 and 60,681.03

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Solution

The fourth proportional to 105,988.79, 146,272.68 and 60,681.03 is: 83,744.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,988.79 : 146,272.68 = 60,681.03 : x
  2. Step 2: Convert to fraction form
    105,988.79/146,272.68 = 60,681.03/x
  3. Step 3: Cross multiply
    105,988.79x = 146,272.68 × 60,681.03
  4. Step 4: Simplify right side
    105,988.79x = 8,875,976,883.26
  5. Step 5: Solve for x
    x = 8,875,976,883.26/105,988.79
  6. Step 6: Final answer
    x = 83,744.49

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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.