Home / 107,031.94-147,704.09-59,288.38

Finding the Fourth Proportional to 107,031.94, 147,704.09 and 59,288.38

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Solution

The fourth proportional to 107,031.94, 147,704.09 and 59,288.38 is: 81,817.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,031.94 : 147,704.09 = 59,288.38 : x
  2. Step 2: Convert to fraction form
    107,031.94/147,704.09 = 59,288.38/x
  3. Step 3: Cross multiply
    107,031.94x = 147,704.09 × 59,288.38
  4. Step 4: Simplify right side
    107,031.94x = 8,757,135,549.77
  5. Step 5: Solve for x
    x = 8,757,135,549.77/107,031.94
  6. Step 6: Final answer
    x = 81,817.97

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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.