Home / 94,150.13-129,928.08-51,709.57

Finding the Fourth Proportional to 94,150.13, 129,928.08 and 51,709.57

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Solution

The fourth proportional to 94,150.13, 129,928.08 and 51,709.57 is: 71,359.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,150.13 : 129,928.08 = 51,709.57 : x
  2. Step 2: Convert to fraction form
    94,150.13/129,928.08 = 51,709.57/x
  3. Step 3: Cross multiply
    94,150.13x = 129,928.08 × 51,709.57
  4. Step 4: Simplify right side
    94,150.13x = 6,718,525,016.82
  5. Step 5: Solve for x
    x = 6,718,525,016.82/94,150.13
  6. Step 6: Final answer
    x = 71,359.70

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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.