Home / 79,669.09-119,577.48-40,253.91

Finding the Fourth Proportional to 79,669.09, 119,577.48 and 40,253.91

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Solution

The fourth proportional to 79,669.09, 119,577.48 and 40,253.91 is: 60,418.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,669.09 : 119,577.48 = 40,253.91 : x
  2. Step 2: Convert to fraction form
    79,669.09/119,577.48 = 40,253.91/x
  3. Step 3: Cross multiply
    79,669.09x = 119,577.48 × 40,253.91
  4. Step 4: Simplify right side
    79,669.09x = 4,813,461,117.95
  5. Step 5: Solve for x
    x = 4,813,461,117.95/79,669.09
  6. Step 6: Final answer
    x = 60,418.18

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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.