Home / 105,988.40-146,272.14-60,680.60

Finding the Fourth Proportional to 105,988.40, 146,272.14 and 60,680.60

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Solution

The fourth proportional to 105,988.40, 146,272.14 and 60,680.60 is: 83,743.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,988.40 : 146,272.14 = 60,680.60 : x
  2. Step 2: Convert to fraction form
    105,988.40/146,272.14 = 60,680.60/x
  3. Step 3: Cross multiply
    105,988.40x = 146,272.14 × 60,680.60
  4. Step 4: Simplify right side
    105,988.40x = 8,875,881,218.48
  5. Step 5: Solve for x
    x = 8,875,881,218.48/105,988.40
  6. Step 6: Final answer
    x = 83,743.89

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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.