Home / 47,549.12-65,617.44-28,696.64

Finding the Fourth Proportional to 47,549.12, 65,617.44 and 28,696.64

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Solution

The fourth proportional to 47,549.12, 65,617.44 and 28,696.64 is: 39,601.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,549.12 : 65,617.44 = 28,696.64 : x
  2. Step 2: Convert to fraction form
    47,549.12/65,617.44 = 28,696.64/x
  3. Step 3: Cross multiply
    47,549.12x = 65,617.44 × 28,696.64
  4. Step 4: Simplify right side
    47,549.12x = 1,883,000,053.40
  5. Step 5: Solve for x
    x = 1,883,000,053.40/47,549.12
  6. Step 6: Final answer
    x = 39,601.15

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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.