Home / 85,252.89-117,646.28-47,014.05

Finding the Fourth Proportional to 85,252.89, 117,646.28 and 47,014.05

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Solution

The fourth proportional to 85,252.89, 117,646.28 and 47,014.05 is: 64,877.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,252.89 : 117,646.28 = 47,014.05 : x
  2. Step 2: Convert to fraction form
    85,252.89/117,646.28 = 47,014.05/x
  3. Step 3: Cross multiply
    85,252.89x = 117,646.28 × 47,014.05
  4. Step 4: Simplify right side
    85,252.89x = 5,531,027,364.30
  5. Step 5: Solve for x
    x = 5,531,027,364.30/85,252.89
  6. Step 6: Final answer
    x = 64,877.89

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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.