Home / 79,941.98-119,781.74-27,322.76

Finding the Fourth Proportional to 79,941.98, 119,781.74 and 27,322.76

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Solution

The fourth proportional to 79,941.98, 119,781.74 and 27,322.76 is: 40,939.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,941.98 : 119,781.74 = 27,322.76 : x
  2. Step 2: Convert to fraction form
    79,941.98/119,781.74 = 27,322.76/x
  3. Step 3: Cross multiply
    79,941.98x = 119,781.74 × 27,322.76
  4. Step 4: Simplify right side
    79,941.98x = 3,272,767,734.40
  5. Step 5: Solve for x
    x = 3,272,767,734.40/79,941.98
  6. Step 6: Final answer
    x = 40,939.29

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1.5x scale

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.