Home / 97,943.04-135,160.92-53,231.04

Finding the Fourth Proportional to 97,943.04, 135,160.92 and 53,231.04

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Solution

The fourth proportional to 97,943.04, 135,160.92 and 53,231.04 is: 73,458.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,943.04 : 135,160.92 = 53,231.04 : x
  2. Step 2: Convert to fraction form
    97,943.04/135,160.92 = 53,231.04/x
  3. Step 3: Cross multiply
    97,943.04x = 135,160.92 × 53,231.04
  4. Step 4: Simplify right side
    97,943.04x = 7,194,756,338.96
  5. Step 5: Solve for x
    x = 7,194,756,338.96/97,943.04
  6. Step 6: Final answer
    x = 73,458.58

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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.