Home / 47,855.22-71,785.74-14,577.72

Finding the Fourth Proportional to 47,855.22, 71,785.74 and 14,577.72

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Solution

The fourth proportional to 47,855.22, 71,785.74 and 14,577.72 is: 21,867.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,855.22 : 71,785.74 = 14,577.72 : x
  2. Step 2: Convert to fraction form
    47,855.22/71,785.74 = 14,577.72/x
  3. Step 3: Cross multiply
    47,855.22x = 71,785.74 × 14,577.72
  4. Step 4: Simplify right side
    47,855.22x = 1,046,472,417.71
  5. Step 5: Solve for x
    x = 1,046,472,417.71/47,855.22
  6. Step 6: Final answer
    x = 21,867.47

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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.