Home / 79,997.19-119,955.45-26,670.24

Finding the Fourth Proportional to 79,997.19, 119,955.45 and 26,670.24

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Solution

The fourth proportional to 79,997.19, 119,955.45 and 26,670.24 is: 39,991.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,997.19 : 119,955.45 = 26,670.24 : x
  2. Step 2: Convert to fraction form
    79,997.19/119,955.45 = 26,670.24/x
  3. Step 3: Cross multiply
    79,997.19x = 119,955.45 × 26,670.24
  4. Step 4: Simplify right side
    79,997.19x = 3,199,240,640.81
  5. Step 5: Solve for x
    x = 3,199,240,640.81/79,997.19
  6. Step 6: Final answer
    x = 39,991.91

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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.