Home / 83,347.34-124,987.32-30,745.10

Finding the Fourth Proportional to 83,347.34, 124,987.32 and 30,745.10

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Solution

The fourth proportional to 83,347.34, 124,987.32 and 30,745.10 is: 46,105.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,347.34 : 124,987.32 = 30,745.10 : x
  2. Step 2: Convert to fraction form
    83,347.34/124,987.32 = 30,745.10/x
  3. Step 3: Cross multiply
    83,347.34x = 124,987.32 × 30,745.10
  4. Step 4: Simplify right side
    83,347.34x = 3,842,747,652.13
  5. Step 5: Solve for x
    x = 3,842,747,652.13/83,347.34
  6. Step 6: Final answer
    x = 46,105.22

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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.