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Finding the Fourth Proportional to 73,734.64, 110,063.67 and 63,271.90

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Solution

The fourth proportional to 73,734.64, 110,063.67 and 63,271.90 is: 94,445.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,734.64 : 110,063.67 = 63,271.90 : x
  2. Step 2: Convert to fraction form
    73,734.64/110,063.67 = 63,271.90/x
  3. Step 3: Cross multiply
    73,734.64x = 110,063.67 × 63,271.90
  4. Step 4: Simplify right side
    73,734.64x = 6,963,936,655.20
  5. Step 5: Solve for x
    x = 6,963,936,655.20/73,734.64
  6. Step 6: Final answer
    x = 94,445.93

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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.