Home / 97,942.13-135,160.13-53,230.13

Finding the Fourth Proportional to 97,942.13, 135,160.13 and 53,230.13

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Solution

The fourth proportional to 97,942.13, 135,160.13 and 53,230.13 is: 73,457.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,942.13 : 135,160.13 = 53,230.13 : x
  2. Step 2: Convert to fraction form
    97,942.13/135,160.13 = 53,230.13/x
  3. Step 3: Cross multiply
    97,942.13x = 135,160.13 × 53,230.13
  4. Step 4: Simplify right side
    97,942.13x = 7,194,591,290.72
  5. Step 5: Solve for x
    x = 7,194,591,290.72/97,942.13
  6. Step 6: Final answer
    x = 73,457.57

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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.