Home / 49,080.42-67,731.80-47,383.20

Finding the Fourth Proportional to 49,080.42, 67,731.80 and 47,383.20

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Solution

The fourth proportional to 49,080.42, 67,731.80 and 47,383.20 is: 65,389.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,080.42 : 67,731.80 = 47,383.20 : x
  2. Step 2: Convert to fraction form
    49,080.42/67,731.80 = 47,383.20/x
  3. Step 3: Cross multiply
    49,080.42x = 67,731.80 × 47,383.20
  4. Step 4: Simplify right side
    49,080.42x = 3,209,349,188.84
  5. Step 5: Solve for x
    x = 3,209,349,188.84/49,080.42
  6. Step 6: Final answer
    x = 65,389.60

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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.