Home / 71,933.60-107,916.21-22,017.55

Finding the Fourth Proportional to 71,933.60, 107,916.21 and 22,017.55

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Solution

The fourth proportional to 71,933.60, 107,916.21 and 22,017.55 is: 33,031.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,933.60 : 107,916.21 = 22,017.55 : x
  2. Step 2: Convert to fraction form
    71,933.60/107,916.21 = 22,017.55/x
  3. Step 3: Cross multiply
    71,933.60x = 107,916.21 × 22,017.55
  4. Step 4: Simplify right side
    71,933.60x = 2,376,049,899.82
  5. Step 5: Solve for x
    x = 2,376,049,899.82/71,933.60
  6. Step 6: Final answer
    x = 33,031.16

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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.