Home / 94,153.32-129,930.38-51,709.12

Finding the Fourth Proportional to 94,153.32, 129,930.38 and 51,709.12

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Solution

The fourth proportional to 94,153.32, 129,930.38 and 51,709.12 is: 71,357.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,153.32 : 129,930.38 = 51,709.12 : x
  2. Step 2: Convert to fraction form
    94,153.32/129,930.38 = 51,709.12/x
  3. Step 3: Cross multiply
    94,153.32x = 129,930.38 × 51,709.12
  4. Step 4: Simplify right side
    94,153.32x = 6,718,585,221.60
  5. Step 5: Solve for x
    x = 6,718,585,221.60/94,153.32
  6. Step 6: Final answer
    x = 71,357.92

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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.