Home / 89,339.22-133,720.88-49,295.25

Finding the Fourth Proportional to 89,339.22, 133,720.88 and 49,295.25

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Solution

The fourth proportional to 89,339.22, 133,720.88 and 49,295.25 is: 73,783.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,339.22 : 133,720.88 = 49,295.25 : x
  2. Step 2: Convert to fraction form
    89,339.22/133,720.88 = 49,295.25/x
  3. Step 3: Cross multiply
    89,339.22x = 133,720.88 × 49,295.25
  4. Step 4: Simplify right side
    89,339.22x = 6,591,803,963.34
  5. Step 5: Solve for x
    x = 6,591,803,963.34/89,339.22
  6. Step 6: Final answer
    x = 73,783.99

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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.