Home / 71,818.12-99,125.46-46,623.88

Finding the Fourth Proportional to 71,818.12, 99,125.46 and 46,623.88

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Solution

The fourth proportional to 71,818.12, 99,125.46 and 46,623.88 is: 64,351.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,818.12 : 99,125.46 = 46,623.88 : x
  2. Step 2: Convert to fraction form
    71,818.12/99,125.46 = 46,623.88/x
  3. Step 3: Cross multiply
    71,818.12x = 99,125.46 × 46,623.88
  4. Step 4: Simplify right side
    71,818.12x = 4,621,613,551.98
  5. Step 5: Solve for x
    x = 4,621,613,551.98/71,818.12
  6. Step 6: Final answer
    x = 64,351.64

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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.