Home / 61,678.23-92,420.43-47,672.55

Finding the Fourth Proportional to 61,678.23, 92,420.43 and 47,672.55

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Solution

The fourth proportional to 61,678.23, 92,420.43 and 47,672.55 is: 71,433.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,678.23 : 92,420.43 = 47,672.55 : x
  2. Step 2: Convert to fraction form
    61,678.23/92,420.43 = 47,672.55/x
  3. Step 3: Cross multiply
    61,678.23x = 92,420.43 × 47,672.55
  4. Step 4: Simplify right side
    61,678.23x = 4,405,917,570.20
  5. Step 5: Solve for x
    x = 4,405,917,570.20/61,678.23
  6. Step 6: Final answer
    x = 71,433.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.