Home / 98,777.22-136,313.42-57,965.77

Finding the Fourth Proportional to 98,777.22, 136,313.42 and 57,965.77

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Solution

The fourth proportional to 98,777.22, 136,313.42 and 57,965.77 is: 79,993.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,777.22 : 136,313.42 = 57,965.77 : x
  2. Step 2: Convert to fraction form
    98,777.22/136,313.42 = 57,965.77/x
  3. Step 3: Cross multiply
    98,777.22x = 136,313.42 × 57,965.77
  4. Step 4: Simplify right side
    98,777.22x = 7,901,512,232.20
  5. Step 5: Solve for x
    x = 7,901,512,232.20/98,777.22
  6. Step 6: Final answer
    x = 79,993.27

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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.