Home / 107,408.75-148,204.53-62,070.11

Finding the Fourth Proportional to 107,408.75, 148,204.53 and 62,070.11

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Solution

The fourth proportional to 107,408.75, 148,204.53 and 62,070.11 is: 85,645.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,408.75 : 148,204.53 = 62,070.11 : x
  2. Step 2: Convert to fraction form
    107,408.75/148,204.53 = 62,070.11/x
  3. Step 3: Cross multiply
    107,408.75x = 148,204.53 × 62,070.11
  4. Step 4: Simplify right side
    107,408.75x = 9,199,071,850.11
  5. Step 5: Solve for x
    x = 9,199,071,850.11/107,408.75
  6. Step 6: Final answer
    x = 85,645.46

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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.