Home / 101,681.05-140,325.03-58,644.55

Finding the Fourth Proportional to 101,681.05, 140,325.03 and 58,644.55

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Solution

The fourth proportional to 101,681.05, 140,325.03 and 58,644.55 is: 80,932.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,681.05 : 140,325.03 = 58,644.55 : x
  2. Step 2: Convert to fraction form
    101,681.05/140,325.03 = 58,644.55/x
  3. Step 3: Cross multiply
    101,681.05x = 140,325.03 × 58,644.55
  4. Step 4: Simplify right side
    101,681.05x = 8,229,298,238.09
  5. Step 5: Solve for x
    x = 8,229,298,238.09/101,681.05
  6. Step 6: Final answer
    x = 80,932.47

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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.