Home / 53,156.60-79,318.46-47,571.56

Finding the Fourth Proportional to 53,156.60, 79,318.46 and 47,571.56

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Solution

The fourth proportional to 53,156.60, 79,318.46 and 47,571.56 is: 70,984.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,156.60 : 79,318.46 = 47,571.56 : x
  2. Step 2: Convert to fraction form
    53,156.60/79,318.46 = 47,571.56/x
  3. Step 3: Cross multiply
    53,156.60x = 79,318.46 × 47,571.56
  4. Step 4: Simplify right side
    53,156.60x = 3,773,302,244.55
  5. Step 5: Solve for x
    x = 3,773,302,244.55/53,156.60
  6. Step 6: Final answer
    x = 70,984.65

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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.