Home / 74,260.10-111,273.35-57,434.28

Finding the Fourth Proportional to 74,260.10, 111,273.35 and 57,434.28

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Solution

The fourth proportional to 74,260.10, 111,273.35 and 57,434.28 is: 86,061.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,260.10 : 111,273.35 = 57,434.28 : x
  2. Step 2: Convert to fraction form
    74,260.10/111,273.35 = 57,434.28/x
  3. Step 3: Cross multiply
    74,260.10x = 111,273.35 × 57,434.28
  4. Step 4: Simplify right side
    74,260.10x = 6,390,904,453.27
  5. Step 5: Solve for x
    x = 6,390,904,453.27/74,260.10
  6. Step 6: Final answer
    x = 86,061.09

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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.