Home / 98,050.37-135,320.83-55,616.63

Finding the Fourth Proportional to 98,050.37, 135,320.83 and 55,616.63

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Solution

The fourth proportional to 98,050.37, 135,320.83 and 55,616.63 is: 76,757.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,050.37 : 135,320.83 = 55,616.63 : x
  2. Step 2: Convert to fraction form
    98,050.37/135,320.83 = 55,616.63/x
  3. Step 3: Cross multiply
    98,050.37x = 135,320.83 × 55,616.63
  4. Step 4: Simplify right side
    98,050.37x = 7,526,087,717.76
  5. Step 5: Solve for x
    x = 7,526,087,717.76/98,050.37
  6. Step 6: Final answer
    x = 76,757.37

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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.