Home / 91,820.83-137,805.06-47,460.58

Finding the Fourth Proportional to 91,820.83, 137,805.06 and 47,460.58

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Solution

The fourth proportional to 91,820.83, 137,805.06 and 47,460.58 is: 71,229.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,820.83 : 137,805.06 = 47,460.58 : x
  2. Step 2: Convert to fraction form
    91,820.83/137,805.06 = 47,460.58/x
  3. Step 3: Cross multiply
    91,820.83x = 137,805.06 × 47,460.58
  4. Step 4: Simplify right side
    91,820.83x = 6,540,308,074.53
  5. Step 5: Solve for x
    x = 6,540,308,074.53/91,820.83
  6. Step 6: Final answer
    x = 71,229.02

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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.