Home / 98,713.13-136,223.98-55,692.56

Finding the Fourth Proportional to 98,713.13, 136,223.98 and 55,692.56

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Solution

The fourth proportional to 98,713.13, 136,223.98 and 55,692.56 is: 76,855.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,713.13 : 136,223.98 = 55,692.56 : x
  2. Step 2: Convert to fraction form
    98,713.13/136,223.98 = 55,692.56/x
  3. Step 3: Cross multiply
    98,713.13x = 136,223.98 × 55,692.56
  4. Step 4: Simplify right side
    98,713.13x = 7,586,662,380.92
  5. Step 5: Solve for x
    x = 7,586,662,380.92/98,713.13
  6. Step 6: Final answer
    x = 76,855.66

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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.