Home / 61,538.99-91,825.47-57,777.35

Finding the Fourth Proportional to 61,538.99, 91,825.47 and 57,777.35

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Solution

The fourth proportional to 61,538.99, 91,825.47 and 57,777.35 is: 86,212.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,538.99 : 91,825.47 = 57,777.35 : x
  2. Step 2: Convert to fraction form
    61,538.99/91,825.47 = 57,777.35/x
  3. Step 3: Cross multiply
    61,538.99x = 91,825.47 × 57,777.35
  4. Step 4: Simplify right side
    61,538.99x = 5,305,431,859.98
  5. Step 5: Solve for x
    x = 5,305,431,859.98/61,538.99
  6. Step 6: Final answer
    x = 86,212.53

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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.