Home / 71,964.10-107,946.15-25,212.10

Finding the Fourth Proportional to 71,964.10, 107,946.15 and 25,212.10

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Solution

The fourth proportional to 71,964.10, 107,946.15 and 25,212.10 is: 37,818.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,964.10 : 107,946.15 = 25,212.10 : x
  2. Step 2: Convert to fraction form
    71,964.10/107,946.15 = 25,212.10/x
  3. Step 3: Cross multiply
    71,964.10x = 107,946.15 × 25,212.10
  4. Step 4: Simplify right side
    71,964.10x = 2,721,549,128.42
  5. Step 5: Solve for x
    x = 2,721,549,128.42/71,964.10
  6. Step 6: Final answer
    x = 37,818.15

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1.5x scale

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.