Home / 97,849.61-135,032.45-55,408.13

Finding the Fourth Proportional to 97,849.61, 135,032.45 and 55,408.13

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Solution

The fourth proportional to 97,849.61, 135,032.45 and 55,408.13 is: 76,463.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,849.61 : 135,032.45 = 55,408.13 : x
  2. Step 2: Convert to fraction form
    97,849.61/135,032.45 = 55,408.13/x
  3. Step 3: Cross multiply
    97,849.61x = 135,032.45 × 55,408.13
  4. Step 4: Simplify right side
    97,849.61x = 7,481,894,591.62
  5. Step 5: Solve for x
    x = 7,481,894,591.62/97,849.61
  6. Step 6: Final answer
    x = 76,463.21

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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.