Home / 74,398.84-111,457.56-57,676.96

Finding the Fourth Proportional to 74,398.84, 111,457.56 and 57,676.96

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Solution

The fourth proportional to 74,398.84, 111,457.56 and 57,676.96 is: 86,406.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,398.84 : 111,457.56 = 57,676.96 : x
  2. Step 2: Convert to fraction form
    74,398.84/111,457.56 = 57,676.96/x
  3. Step 3: Cross multiply
    74,398.84x = 111,457.56 × 57,676.96
  4. Step 4: Simplify right side
    74,398.84x = 6,428,533,229.82
  5. Step 5: Solve for x
    x = 6,428,533,229.82/74,398.84
  6. Step 6: Final answer
    x = 86,406.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.