Home / 63,137.08-87,160.71-39,271.42

Finding the Fourth Proportional to 63,137.08, 87,160.71 and 39,271.42

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Solution

The fourth proportional to 63,137.08, 87,160.71 and 39,271.42 is: 54,214.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,137.08 : 87,160.71 = 39,271.42 : x
  2. Step 2: Convert to fraction form
    63,137.08/87,160.71 = 39,271.42/x
  3. Step 3: Cross multiply
    63,137.08x = 87,160.71 × 39,271.42
  4. Step 4: Simplify right side
    63,137.08x = 3,422,924,849.91
  5. Step 5: Solve for x
    x = 3,422,924,849.91/63,137.08
  6. Step 6: Final answer
    x = 54,214.18

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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.