Home / 101,927.09-140,648.20-58,320.14

Finding the Fourth Proportional to 101,927.09, 140,648.20 and 58,320.14

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Solution

The fourth proportional to 101,927.09, 140,648.20 and 58,320.14 is: 80,475.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,927.09 : 140,648.20 = 58,320.14 : x
  2. Step 2: Convert to fraction form
    101,927.09/140,648.20 = 58,320.14/x
  3. Step 3: Cross multiply
    101,927.09x = 140,648.20 × 58,320.14
  4. Step 4: Simplify right side
    101,927.09x = 8,202,621,865.71
  5. Step 5: Solve for x
    x = 8,202,621,865.71/101,927.09
  6. Step 6: Final answer
    x = 80,475.38

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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.