Home / 101,010.79-139,364.00-58,560.85

Finding the Fourth Proportional to 101,010.79, 139,364.00 and 58,560.85

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Solution

The fourth proportional to 101,010.79, 139,364.00 and 58,560.85 is: 80,796.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,010.79 : 139,364.00 = 58,560.85 : x
  2. Step 2: Convert to fraction form
    101,010.79/139,364.00 = 58,560.85/x
  3. Step 3: Cross multiply
    101,010.79x = 139,364.00 × 58,560.85
  4. Step 4: Simplify right side
    101,010.79x = 8,161,273,658.19
  5. Step 5: Solve for x
    x = 8,161,273,658.19/101,010.79
  6. Step 6: Final answer
    x = 80,796.06

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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.