Home / 97,932.48-135,146.88-53,220.48

Finding the Fourth Proportional to 97,932.48, 135,146.88 and 53,220.48

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Solution

The fourth proportional to 97,932.48, 135,146.88 and 53,220.48 is: 73,444.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,932.48 : 135,146.88 = 53,220.48 : x
  2. Step 2: Convert to fraction form
    97,932.48/135,146.88 = 53,220.48/x
  3. Step 3: Cross multiply
    97,932.48x = 135,146.88 × 53,220.48
  4. Step 4: Simplify right side
    97,932.48x = 7,192,581,824.10
  5. Step 5: Solve for x
    x = 7,192,581,824.10/97,932.48
  6. Step 6: Final answer
    x = 73,444.29

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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.