Home / 97,861.25-135,046.23-57,577.62

Finding the Fourth Proportional to 97,861.25, 135,046.23 and 57,577.62

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Solution

The fourth proportional to 97,861.25, 135,046.23 and 57,577.62 is: 79,455.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,861.25 : 135,046.23 = 57,577.62 : x
  2. Step 2: Convert to fraction form
    97,861.25/135,046.23 = 57,577.62/x
  3. Step 3: Cross multiply
    97,861.25x = 135,046.23 × 57,577.62
  4. Step 4: Simplify right side
    97,861.25x = 7,775,640,513.37
  5. Step 5: Solve for x
    x = 7,775,640,513.37/97,861.25
  6. Step 6: Final answer
    x = 79,455.77

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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.