Home / 47,968.40-71,823.48-31,287.08

Finding the Fourth Proportional to 47,968.40, 71,823.48 and 31,287.08

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Solution

The fourth proportional to 47,968.40, 71,823.48 and 31,287.08 is: 46,846.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,968.40 : 71,823.48 = 31,287.08 : x
  2. Step 2: Convert to fraction form
    47,968.40/71,823.48 = 31,287.08/x
  3. Step 3: Cross multiply
    47,968.40x = 71,823.48 × 31,287.08
  4. Step 4: Simplify right side
    47,968.40x = 2,247,146,964.64
  5. Step 5: Solve for x
    x = 2,247,146,964.64/47,968.40
  6. Step 6: Final answer
    x = 46,846.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.