Home / 63,176.80-87,180.48-39,302.72

Finding the Fourth Proportional to 63,176.80, 87,180.48 and 39,302.72

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Solution

The fourth proportional to 63,176.80, 87,180.48 and 39,302.72 is: 54,235.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,176.80 : 87,180.48 = 39,302.72 : x
  2. Step 2: Convert to fraction form
    63,176.80/87,180.48 = 39,302.72/x
  3. Step 3: Cross multiply
    63,176.80x = 87,180.48 × 39,302.72
  4. Step 4: Simplify right side
    63,176.80x = 3,426,429,994.91
  5. Step 5: Solve for x
    x = 3,426,429,994.91/63,176.80
  6. Step 6: Final answer
    x = 54,235.57

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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.