Home / 56,859.76-78,432.60-41,725.72

Finding the Fourth Proportional to 56,859.76, 78,432.60 and 41,725.72

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Solution

The fourth proportional to 56,859.76, 78,432.60 and 41,725.72 is: 57,556.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,859.76 : 78,432.60 = 41,725.72 : x
  2. Step 2: Convert to fraction form
    56,859.76/78,432.60 = 41,725.72/x
  3. Step 3: Cross multiply
    56,859.76x = 78,432.60 × 41,725.72
  4. Step 4: Simplify right side
    56,859.76x = 3,272,656,706.47
  5. Step 5: Solve for x
    x = 3,272,656,706.47/56,859.76
  6. Step 6: Final answer
    x = 57,556.64

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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.