Home / 106,741.78-147,294.79-58,995.12

Finding the Fourth Proportional to 106,741.78, 147,294.79 and 58,995.12

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Solution

The fourth proportional to 106,741.78, 147,294.79 and 58,995.12 is: 81,408.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,741.78 : 147,294.79 = 58,995.12 : x
  2. Step 2: Convert to fraction form
    106,741.78/147,294.79 = 58,995.12/x
  3. Step 3: Cross multiply
    106,741.78x = 147,294.79 × 58,995.12
  4. Step 4: Simplify right side
    106,741.78x = 8,689,673,811.42
  5. Step 5: Solve for x
    x = 8,689,673,811.42/106,741.78
  6. Step 6: Final answer
    x = 81,408.37

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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.