Home / 51,113.25-70,530.14-28,446.57

Finding the Fourth Proportional to 51,113.25, 70,530.14 and 28,446.57

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Solution

The fourth proportional to 51,113.25, 70,530.14 and 28,446.57 is: 39,252.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,113.25 : 70,530.14 = 28,446.57 : x
  2. Step 2: Convert to fraction form
    51,113.25/70,530.14 = 28,446.57/x
  3. Step 3: Cross multiply
    51,113.25x = 70,530.14 × 28,446.57
  4. Step 4: Simplify right side
    51,113.25x = 2,006,340,422.39
  5. Step 5: Solve for x
    x = 2,006,340,422.39/51,113.25
  6. Step 6: Final answer
    x = 39,252.84

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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.