Home / 86,109.04-129,093.88-26,914.24

Finding the Fourth Proportional to 86,109.04, 129,093.88 and 26,914.24

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Solution

The fourth proportional to 86,109.04, 129,093.88 and 26,914.24 is: 40,349.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,109.04 : 129,093.88 = 26,914.24 : x
  2. Step 2: Convert to fraction form
    86,109.04/129,093.88 = 26,914.24/x
  3. Step 3: Cross multiply
    86,109.04x = 129,093.88 × 26,914.24
  4. Step 4: Simplify right side
    86,109.04x = 3,474,463,668.85
  5. Step 5: Solve for x
    x = 3,474,463,668.85/86,109.04
  6. Step 6: Final answer
    x = 40,349.58

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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.