Home / 47,619.96-71,010.28-47,193.08

Finding the Fourth Proportional to 47,619.96, 71,010.28 and 47,193.08

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Solution

The fourth proportional to 47,619.96, 71,010.28 and 47,193.08 is: 70,373.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,619.96 : 71,010.28 = 47,193.08 : x
  2. Step 2: Convert to fraction form
    47,619.96/71,010.28 = 47,193.08/x
  3. Step 3: Cross multiply
    47,619.96x = 71,010.28 × 47,193.08
  4. Step 4: Simplify right side
    47,619.96x = 3,351,193,824.86
  5. Step 5: Solve for x
    x = 3,351,193,824.86/47,619.96
  6. Step 6: Final answer
    x = 70,373.72

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.