Home / 106,647.05-147,170.10-58,899.37

Finding the Fourth Proportional to 106,647.05, 147,170.10 and 58,899.37

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Solution

The fourth proportional to 106,647.05, 147,170.10 and 58,899.37 is: 81,279.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,647.05 : 147,170.10 = 58,899.37 : x
  2. Step 2: Convert to fraction form
    106,647.05/147,170.10 = 58,899.37/x
  3. Step 3: Cross multiply
    106,647.05x = 147,170.10 × 58,899.37
  4. Step 4: Simplify right side
    106,647.05x = 8,668,226,172.84
  5. Step 5: Solve for x
    x = 8,668,226,172.84/106,647.05
  6. Step 6: Final answer
    x = 81,279.57

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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.