Home / 51,113.63-70,536.78-28,452.12

Finding the Fourth Proportional to 51,113.63, 70,536.78 and 28,452.12

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Solution

The fourth proportional to 51,113.63, 70,536.78 and 28,452.12 is: 39,263.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,113.63 : 70,536.78 = 28,452.12 : x
  2. Step 2: Convert to fraction form
    51,113.63/70,536.78 = 28,452.12/x
  3. Step 3: Cross multiply
    51,113.63x = 70,536.78 × 28,452.12
  4. Step 4: Simplify right side
    51,113.63x = 2,006,920,928.97
  5. Step 5: Solve for x
    x = 2,006,920,928.97/51,113.63
  6. Step 6: Final answer
    x = 39,263.91

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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.