Home / 63,953.56-88,311.63-40,121.20

Finding the Fourth Proportional to 63,953.56, 88,311.63 and 40,121.20

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Solution

The fourth proportional to 63,953.56, 88,311.63 and 40,121.20 is: 55,402.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,953.56 : 88,311.63 = 40,121.20 : x
  2. Step 2: Convert to fraction form
    63,953.56/88,311.63 = 40,121.20/x
  3. Step 3: Cross multiply
    63,953.56x = 88,311.63 × 40,121.20
  4. Step 4: Simplify right side
    63,953.56x = 3,543,168,569.56
  5. Step 5: Solve for x
    x = 3,543,168,569.56/63,953.56
  6. Step 6: Final answer
    x = 55,402.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.