Home / 98,096.14-135,363.30-55,065.78

Finding the Fourth Proportional to 98,096.14, 135,363.30 and 55,065.78

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Solution

The fourth proportional to 98,096.14, 135,363.30 and 55,065.78 is: 75,985.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,096.14 : 135,363.30 = 55,065.78 : x
  2. Step 2: Convert to fraction form
    98,096.14/135,363.30 = 55,065.78/x
  3. Step 3: Cross multiply
    98,096.14x = 135,363.30 × 55,065.78
  4. Step 4: Simplify right side
    98,096.14x = 7,453,885,697.87
  5. Step 5: Solve for x
    x = 7,453,885,697.87/98,096.14
  6. Step 6: Final answer
    x = 75,985.51

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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.