Home / 74,614.22-103,005.66-57,580.19

Finding the Fourth Proportional to 74,614.22, 103,005.66 and 57,580.19

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Solution

The fourth proportional to 74,614.22, 103,005.66 and 57,580.19 is: 79,490.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,614.22 : 103,005.66 = 57,580.19 : x
  2. Step 2: Convert to fraction form
    74,614.22/103,005.66 = 57,580.19/x
  3. Step 3: Cross multiply
    74,614.22x = 103,005.66 × 57,580.19
  4. Step 4: Simplify right side
    74,614.22x = 5,931,084,958.85
  5. Step 5: Solve for x
    x = 5,931,084,958.85/74,614.22
  6. Step 6: Final answer
    x = 79,490.01

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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.