Home / 78,450.34-117,683.21-22,293.04

Finding the Fourth Proportional to 78,450.34, 117,683.21 and 22,293.04

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Solution

The fourth proportional to 78,450.34, 117,683.21 and 22,293.04 is: 33,441.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,450.34 : 117,683.21 = 22,293.04 : x
  2. Step 2: Convert to fraction form
    78,450.34/117,683.21 = 22,293.04/x
  3. Step 3: Cross multiply
    78,450.34x = 117,683.21 × 22,293.04
  4. Step 4: Simplify right side
    78,450.34x = 2,623,516,507.86
  5. Step 5: Solve for x
    x = 2,623,516,507.86/78,450.34
  6. Step 6: Final answer
    x = 33,441.75

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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.