Home / 98,824.18-136,376.39-53,500.97

Finding the Fourth Proportional to 98,824.18, 136,376.39 and 53,500.97

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Solution

The fourth proportional to 98,824.18, 136,376.39 and 53,500.97 is: 73,830.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,824.18 : 136,376.39 = 53,500.97 : x
  2. Step 2: Convert to fraction form
    98,824.18/136,376.39 = 53,500.97/x
  3. Step 3: Cross multiply
    98,824.18x = 136,376.39 × 53,500.97
  4. Step 4: Simplify right side
    98,824.18x = 7,296,269,150.10
  5. Step 5: Solve for x
    x = 7,296,269,150.10/98,824.18
  6. Step 6: Final answer
    x = 73,830.81

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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.