Home / 107,009.21-147,677.49-58,614.54

Finding the Fourth Proportional to 107,009.21, 147,677.49 and 58,614.54

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Solution

The fourth proportional to 107,009.21, 147,677.49 and 58,614.54 is: 80,890.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,009.21 : 147,677.49 = 58,614.54 : x
  2. Step 2: Convert to fraction form
    107,009.21/147,677.49 = 58,614.54/x
  3. Step 3: Cross multiply
    107,009.21x = 147,677.49 × 58,614.54
  4. Step 4: Simplify right side
    107,009.21x = 8,656,048,144.70
  5. Step 5: Solve for x
    x = 8,656,048,144.70/107,009.21
  6. Step 6: Final answer
    x = 80,890.69

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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.