Home / 51,109.10-70,530.57-28,447.61

Finding the Fourth Proportional to 51,109.10, 70,530.57 and 28,447.61

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Solution

The fourth proportional to 51,109.10, 70,530.57 and 28,447.61 is: 39,257.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,109.10 : 70,530.57 = 28,447.61 : x
  2. Step 2: Convert to fraction form
    51,109.10/70,530.57 = 28,447.61/x
  3. Step 3: Cross multiply
    51,109.10x = 70,530.57 × 28,447.61
  4. Step 4: Simplify right side
    51,109.10x = 2,006,425,653.55
  5. Step 5: Solve for x
    x = 2,006,425,653.55/51,109.10
  6. Step 6: Final answer
    x = 39,257.70

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1.5x scale

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.