Home / 101,115.36-139,551.54-58,094.76

Finding the Fourth Proportional to 101,115.36, 139,551.54 and 58,094.76

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Solution

The fourth proportional to 101,115.36, 139,551.54 and 58,094.76 is: 80,177.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,115.36 : 139,551.54 = 58,094.76 : x
  2. Step 2: Convert to fraction form
    101,115.36/139,551.54 = 58,094.76/x
  3. Step 3: Cross multiply
    101,115.36x = 139,551.54 × 58,094.76
  4. Step 4: Simplify right side
    101,115.36x = 8,107,213,223.93
  5. Step 5: Solve for x
    x = 8,107,213,223.93/101,115.36
  6. Step 6: Final answer
    x = 80,177.86

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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.