Home / 101,274.19-139,758.39-56,562.19

Finding the Fourth Proportional to 101,274.19, 139,758.39 and 56,562.19

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Solution

The fourth proportional to 101,274.19, 139,758.39 and 56,562.19 is: 78,055.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,274.19 : 139,758.39 = 56,562.19 : x
  2. Step 2: Convert to fraction form
    101,274.19/139,758.39 = 56,562.19/x
  3. Step 3: Cross multiply
    101,274.19x = 139,758.39 × 56,562.19
  4. Step 4: Simplify right side
    101,274.19x = 7,905,040,259.88
  5. Step 5: Solve for x
    x = 7,905,040,259.88/101,274.19
  6. Step 6: Final answer
    x = 78,055.83

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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.