Home / 97,852.92-135,033.42-53,139.96

Finding the Fourth Proportional to 97,852.92, 135,033.42 and 53,139.96

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Solution

The fourth proportional to 97,852.92, 135,033.42 and 53,139.96 is: 73,331.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,852.92 : 135,033.42 = 53,139.96 : x
  2. Step 2: Convert to fraction form
    97,852.92/135,033.42 = 53,139.96/x
  3. Step 3: Cross multiply
    97,852.92x = 135,033.42 × 53,139.96
  4. Step 4: Simplify right side
    97,852.92x = 7,175,670,537.46
  5. Step 5: Solve for x
    x = 7,175,670,537.46/97,852.92
  6. Step 6: Final answer
    x = 73,331.18

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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.