Home / 55,818.35-83,640-47,464.01

Finding the Fourth Proportional to 55,818.35, 83,640 and 47,464.01

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Solution

The fourth proportional to 55,818.35, 83,640 and 47,464.01 is: 71,121.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,818.35 : 83,640 = 47,464.01 : x
  2. Step 2: Convert to fraction form
    55,818.35/83,640 = 47,464.01/x
  3. Step 3: Cross multiply
    55,818.35x = 83,640 × 47,464.01
  4. Step 4: Simplify right side
    55,818.35x = 3,969,889,378.20
  5. Step 5: Solve for x
    x = 3,969,889,378.20/55,818.35
  6. Step 6: Final answer
    x = 71,121.59

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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.