Home / 98,192.57-135,521.13-57,910.76

Finding the Fourth Proportional to 98,192.57, 135,521.13 and 57,910.76

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Solution

The fourth proportional to 98,192.57, 135,521.13 and 57,910.76 is: 79,925.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,192.57 : 135,521.13 = 57,910.76 : x
  2. Step 2: Convert to fraction form
    98,192.57/135,521.13 = 57,910.76/x
  3. Step 3: Cross multiply
    98,192.57x = 135,521.13 × 57,910.76
  4. Step 4: Simplify right side
    98,192.57x = 7,848,131,634.36
  5. Step 5: Solve for x
    x = 7,848,131,634.36/98,192.57
  6. Step 6: Final answer
    x = 79,925.92

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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.