Home / 47,167.12-70,731.64-19,081.99

Finding the Fourth Proportional to 47,167.12, 70,731.64 and 19,081.99

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Solution

The fourth proportional to 47,167.12, 70,731.64 and 19,081.99 is: 28,615.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,167.12 : 70,731.64 = 19,081.99 : x
  2. Step 2: Convert to fraction form
    47,167.12/70,731.64 = 19,081.99/x
  3. Step 3: Cross multiply
    47,167.12x = 70,731.64 × 19,081.99
  4. Step 4: Simplify right side
    47,167.12x = 1,349,700,447.16
  5. Step 5: Solve for x
    x = 1,349,700,447.16/47,167.12
  6. Step 6: Final answer
    x = 28,615.28

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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.