Home / 97,865.24-135,051.68-57,581.60

Finding the Fourth Proportional to 97,865.24, 135,051.68 and 57,581.60

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Solution

The fourth proportional to 97,865.24, 135,051.68 and 57,581.60 is: 79,461.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,865.24 : 135,051.68 = 57,581.60 : x
  2. Step 2: Convert to fraction form
    97,865.24/135,051.68 = 57,581.60/x
  3. Step 3: Cross multiply
    97,865.24x = 135,051.68 × 57,581.60
  4. Step 4: Simplify right side
    97,865.24x = 7,776,491,817.09
  5. Step 5: Solve for x
    x = 7,776,491,817.09/97,865.24
  6. Step 6: Final answer
    x = 79,461.22

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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.