Home / 98,635.01-136,113.58-55,614.12

Finding the Fourth Proportional to 98,635.01, 136,113.58 and 55,614.12

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Solution

The fourth proportional to 98,635.01, 136,113.58 and 55,614.12 is: 76,745.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,635.01 : 136,113.58 = 55,614.12 : x
  2. Step 2: Convert to fraction form
    98,635.01/136,113.58 = 55,614.12/x
  3. Step 3: Cross multiply
    98,635.01x = 136,113.58 × 55,614.12
  4. Step 4: Simplify right side
    98,635.01x = 7,569,836,971.75
  5. Step 5: Solve for x
    x = 7,569,836,971.75/98,635.01
  6. Step 6: Final answer
    x = 76,745.94

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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.