Home / 107,755.33-148,701.54-62,432.35

Finding the Fourth Proportional to 107,755.33, 148,701.54 and 62,432.35

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Solution

The fourth proportional to 107,755.33, 148,701.54 and 62,432.35 is: 86,156.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,755.33 : 148,701.54 = 62,432.35 : x
  2. Step 2: Convert to fraction form
    107,755.33/148,701.54 = 62,432.35/x
  3. Step 3: Cross multiply
    107,755.33x = 148,701.54 × 62,432.35
  4. Step 4: Simplify right side
    107,755.33x = 9,283,786,590.82
  5. Step 5: Solve for x
    x = 9,283,786,590.82/107,755.33
  6. Step 6: Final answer
    x = 86,156.17

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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.