Home / 56,943.54-85,322.43-47,612.34

Finding the Fourth Proportional to 56,943.54, 85,322.43 and 47,612.34

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Solution

The fourth proportional to 56,943.54, 85,322.43 and 47,612.34 is: 71,340.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,943.54 : 85,322.43 = 47,612.34 : x
  2. Step 2: Convert to fraction form
    56,943.54/85,322.43 = 47,612.34/x
  3. Step 3: Cross multiply
    56,943.54x = 85,322.43 × 47,612.34
  4. Step 4: Simplify right side
    56,943.54x = 4,062,400,546.79
  5. Step 5: Solve for x
    x = 4,062,400,546.79/56,943.54
  6. Step 6: Final answer
    x = 71,340.85

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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.