Home / 74,885.22-112,177.17-35,480.34

Finding the Fourth Proportional to 74,885.22, 112,177.17 and 35,480.34

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Solution

The fourth proportional to 74,885.22, 112,177.17 and 35,480.34 is: 53,149.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,885.22 : 112,177.17 = 35,480.34 : x
  2. Step 2: Convert to fraction form
    74,885.22/112,177.17 = 35,480.34/x
  3. Step 3: Cross multiply
    74,885.22x = 112,177.17 × 35,480.34
  4. Step 4: Simplify right side
    74,885.22x = 3,980,084,131.84
  5. Step 5: Solve for x
    x = 3,980,084,131.84/74,885.22
  6. Step 6: Final answer
    x = 53,149.13

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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.