Home / 106,112.72-146,432.47-58,366.06

Finding the Fourth Proportional to 106,112.72, 146,432.47 and 58,366.06

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Solution

The fourth proportional to 106,112.72, 146,432.47 and 58,366.06 is: 80,543.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,112.72 : 146,432.47 = 58,366.06 : x
  2. Step 2: Convert to fraction form
    106,112.72/146,432.47 = 58,366.06/x
  3. Step 3: Cross multiply
    106,112.72x = 146,432.47 × 58,366.06
  4. Step 4: Simplify right side
    106,112.72x = 8,546,685,817.97
  5. Step 5: Solve for x
    x = 8,546,685,817.97/106,112.72
  6. Step 6: Final answer
    x = 80,543.46

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1.5x scale

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.