Home / 74,948.40-103,381.22-57,004.07

Finding the Fourth Proportional to 74,948.40, 103,381.22 and 57,004.07

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Solution

The fourth proportional to 74,948.40, 103,381.22 and 57,004.07 is: 78,629.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,948.40 : 103,381.22 = 57,004.07 : x
  2. Step 2: Convert to fraction form
    74,948.40/103,381.22 = 57,004.07/x
  3. Step 3: Cross multiply
    74,948.40x = 103,381.22 × 57,004.07
  4. Step 4: Simplify right side
    74,948.40x = 5,893,149,499.64
  5. Step 5: Solve for x
    x = 5,893,149,499.64/74,948.40
  6. Step 6: Final answer
    x = 78,629.42

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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.