Home / 97,769.72-134,922.30-53,057.72

Finding the Fourth Proportional to 97,769.72, 134,922.30 and 53,057.72

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Solution

The fourth proportional to 97,769.72, 134,922.30 and 53,057.72 is: 73,219.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,769.72 : 134,922.30 = 53,057.72 : x
  2. Step 2: Convert to fraction form
    97,769.72/134,922.30 = 53,057.72/x
  3. Step 3: Cross multiply
    97,769.72x = 134,922.30 × 53,057.72
  4. Step 4: Simplify right side
    97,769.72x = 7,158,669,615.16
  5. Step 5: Solve for x
    x = 7,158,669,615.16/97,769.72
  6. Step 6: Final answer
    x = 73,219.70

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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.