Home / 107,780.10-148,736.58-62,484.35

Finding the Fourth Proportional to 107,780.10, 148,736.58 and 62,484.35

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Solution

The fourth proportional to 107,780.10, 148,736.58 and 62,484.35 is: 86,228.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,780.10 : 148,736.58 = 62,484.35 : x
  2. Step 2: Convert to fraction form
    107,780.10/148,736.58 = 62,484.35/x
  3. Step 3: Cross multiply
    107,780.10x = 148,736.58 × 62,484.35
  4. Step 4: Simplify right side
    107,780.10x = 9,293,707,778.84
  5. Step 5: Solve for x
    x = 9,293,707,778.84/107,780.10
  6. Step 6: Final answer
    x = 86,228.42

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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.