Home / 85,560.09-128,233.22-41,174.93

Finding the Fourth Proportional to 85,560.09, 128,233.22 and 41,174.93

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Solution

The fourth proportional to 85,560.09, 128,233.22 and 41,174.93 is: 61,710.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,560.09 : 128,233.22 = 41,174.93 : x
  2. Step 2: Convert to fraction form
    85,560.09/128,233.22 = 41,174.93/x
  3. Step 3: Cross multiply
    85,560.09x = 128,233.22 × 41,174.93
  4. Step 4: Simplify right side
    85,560.09x = 5,279,993,010.13
  5. Step 5: Solve for x
    x = 5,279,993,010.13/85,560.09
  6. Step 6: Final answer
    x = 61,710.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.