Home / 114,716.04-158,365.68-71,719.40

Finding the Fourth Proportional to 114,716.04, 158,365.68 and 71,719.40

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Solution

The fourth proportional to 114,716.04, 158,365.68 and 71,719.40 is: 99,008.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,716.04 : 158,365.68 = 71,719.40 : x
  2. Step 2: Convert to fraction form
    114,716.04/158,365.68 = 71,719.40/x
  3. Step 3: Cross multiply
    114,716.04x = 158,365.68 × 71,719.40
  4. Step 4: Simplify right side
    114,716.04x = 11,357,891,550.19
  5. Step 5: Solve for x
    x = 11,357,891,550.19/114,716.04
  6. Step 6: Final answer
    x = 99,008.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.