Home / 79,399.04-119,085.80-26,090.91

Finding the Fourth Proportional to 79,399.04, 119,085.80 and 26,090.91

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Solution

The fourth proportional to 79,399.04, 119,085.80 and 26,090.91 is: 39,132.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,399.04 : 119,085.80 = 26,090.91 : x
  2. Step 2: Convert to fraction form
    79,399.04/119,085.80 = 26,090.91/x
  3. Step 3: Cross multiply
    79,399.04x = 119,085.80 × 26,090.91
  4. Step 4: Simplify right side
    79,399.04x = 3,107,056,759.62
  5. Step 5: Solve for x
    x = 3,107,056,759.62/79,399.04
  6. Step 6: Final answer
    x = 39,132.17

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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.