Home / 98,996.08-136,614.72-54,284.08

Finding the Fourth Proportional to 98,996.08, 136,614.72 and 54,284.08

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Solution

The fourth proportional to 98,996.08, 136,614.72 and 54,284.08 is: 74,912.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,996.08 : 136,614.72 = 54,284.08 : x
  2. Step 2: Convert to fraction form
    98,996.08/136,614.72 = 54,284.08/x
  3. Step 3: Cross multiply
    98,996.08x = 136,614.72 × 54,284.08
  4. Step 4: Simplify right side
    98,996.08x = 7,416,004,389.66
  5. Step 5: Solve for x
    x = 7,416,004,389.66/98,996.08
  6. Step 6: Final answer
    x = 74,912.10

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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.