Home / 74,397.90-111,568.29-31,676.24

Finding the Fourth Proportional to 74,397.90, 111,568.29 and 31,676.24

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Solution

The fourth proportional to 74,397.90, 111,568.29 and 31,676.24 is: 47,502.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,397.90 : 111,568.29 = 31,676.24 : x
  2. Step 2: Convert to fraction form
    74,397.90/111,568.29 = 31,676.24/x
  3. Step 3: Cross multiply
    74,397.90x = 111,568.29 × 31,676.24
  4. Step 4: Simplify right side
    74,397.90x = 3,534,063,214.21
  5. Step 5: Solve for x
    x = 3,534,063,214.21/74,397.90
  6. Step 6: Final answer
    x = 47,502.19

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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.