Home / 51,261.80-76,719.90-47,114.60

Finding the Fourth Proportional to 51,261.80, 76,719.90 and 47,114.60

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Solution

The fourth proportional to 51,261.80, 76,719.90 and 47,114.60 is: 70,513.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,261.80 : 76,719.90 = 47,114.60 : x
  2. Step 2: Convert to fraction form
    51,261.80/76,719.90 = 47,114.60/x
  3. Step 3: Cross multiply
    51,261.80x = 76,719.90 × 47,114.60
  4. Step 4: Simplify right side
    51,261.80x = 3,614,627,400.54
  5. Step 5: Solve for x
    x = 3,614,627,400.54/51,261.80
  6. Step 6: Final answer
    x = 70,513.08

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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.