Home / 47,200.94-65,136.80-25,979.76

Finding the Fourth Proportional to 47,200.94, 65,136.80 and 25,979.76

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Solution

The fourth proportional to 47,200.94, 65,136.80 and 25,979.76 is: 35,851.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,200.94 : 65,136.80 = 25,979.76 : x
  2. Step 2: Convert to fraction form
    47,200.94/65,136.80 = 25,979.76/x
  3. Step 3: Cross multiply
    47,200.94x = 65,136.80 × 25,979.76
  4. Step 4: Simplify right side
    47,200.94x = 1,692,238,431.17
  5. Step 5: Solve for x
    x = 1,692,238,431.17/47,200.94
  6. Step 6: Final answer
    x = 35,851.80

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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.