Home / 61,305.84-91,586.07-38,940.12

Finding the Fourth Proportional to 61,305.84, 91,586.07 and 38,940.12

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Solution

The fourth proportional to 61,305.84, 91,586.07 and 38,940.12 is: 58,173.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,305.84 : 91,586.07 = 38,940.12 : x
  2. Step 2: Convert to fraction form
    61,305.84/91,586.07 = 38,940.12/x
  3. Step 3: Cross multiply
    61,305.84x = 91,586.07 × 38,940.12
  4. Step 4: Simplify right side
    61,305.84x = 3,566,372,556.13
  5. Step 5: Solve for x
    x = 3,566,372,556.13/61,305.84
  6. Step 6: Final answer
    x = 58,173.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.