Home / 69,310.88-95,669.47-40,636.77

Finding the Fourth Proportional to 69,310.88, 95,669.47 and 40,636.77

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Solution

The fourth proportional to 69,310.88, 95,669.47 and 40,636.77 is: 56,090.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,310.88 : 95,669.47 = 40,636.77 : x
  2. Step 2: Convert to fraction form
    69,310.88/95,669.47 = 40,636.77/x
  3. Step 3: Cross multiply
    69,310.88x = 95,669.47 × 40,636.77
  4. Step 4: Simplify right side
    69,310.88x = 3,887,698,248.41
  5. Step 5: Solve for x
    x = 3,887,698,248.41/69,310.88
  6. Step 6: Final answer
    x = 56,090.74

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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.