Home / 72,293.64-108,433.44-31,771.08

Finding the Fourth Proportional to 72,293.64, 108,433.44 and 31,771.08

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Solution

The fourth proportional to 72,293.64, 108,433.44 and 31,771.08 is: 47,653.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,293.64 : 108,433.44 = 31,771.08 : x
  2. Step 2: Convert to fraction form
    72,293.64/108,433.44 = 31,771.08/x
  3. Step 3: Cross multiply
    72,293.64x = 108,433.44 × 31,771.08
  4. Step 4: Simplify right side
    72,293.64x = 3,445,047,496.92
  5. Step 5: Solve for x
    x = 3,445,047,496.92/72,293.64
  6. Step 6: Final answer
    x = 47,653.53

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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.