Home / 85,252.91-117,646.31-47,014.07

Finding the Fourth Proportional to 85,252.91, 117,646.31 and 47,014.07

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Solution

The fourth proportional to 85,252.91, 117,646.31 and 47,014.07 is: 64,877.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,252.91 : 117,646.31 = 47,014.07 : x
  2. Step 2: Convert to fraction form
    85,252.91/117,646.31 = 47,014.07/x
  3. Step 3: Cross multiply
    85,252.91x = 117,646.31 × 47,014.07
  4. Step 4: Simplify right side
    85,252.91x = 5,531,031,853.58
  5. Step 5: Solve for x
    x = 5,531,031,853.58/85,252.91
  6. Step 6: Final answer
    x = 64,877.92

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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.