Home / 98,022.38-135,272.02-55,011.38

Finding the Fourth Proportional to 98,022.38, 135,272.02 and 55,011.38

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Solution

The fourth proportional to 98,022.38, 135,272.02 and 55,011.38 is: 75,916.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,022.38 : 135,272.02 = 55,011.38 : x
  2. Step 2: Convert to fraction form
    98,022.38/135,272.02 = 55,011.38/x
  3. Step 3: Cross multiply
    98,022.38x = 135,272.02 × 55,011.38
  4. Step 4: Simplify right side
    98,022.38x = 7,441,500,495.59
  5. Step 5: Solve for x
    x = 7,441,500,495.59/98,022.38
  6. Step 6: Final answer
    x = 75,916.34

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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.