Home / 69,409.86-95,779.82-40,726.55

Finding the Fourth Proportional to 69,409.86, 95,779.82 and 40,726.55

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Solution

The fourth proportional to 69,409.86, 95,779.82 and 40,726.55 is: 56,199.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,409.86 : 95,779.82 = 40,726.55 : x
  2. Step 2: Convert to fraction form
    69,409.86/95,779.82 = 40,726.55/x
  3. Step 3: Cross multiply
    69,409.86x = 95,779.82 × 40,726.55
  4. Step 4: Simplify right side
    69,409.86x = 3,900,781,201.64
  5. Step 5: Solve for x
    x = 3,900,781,201.64/69,409.86
  6. Step 6: Final answer
    x = 56,199.24

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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.