Home / 83,716.04-115,527.66-45,989.48

Finding the Fourth Proportional to 83,716.04, 115,527.66 and 45,989.48

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Solution

The fourth proportional to 83,716.04, 115,527.66 and 45,989.48 is: 63,465.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,716.04 : 115,527.66 = 45,989.48 : x
  2. Step 2: Convert to fraction form
    83,716.04/115,527.66 = 45,989.48/x
  3. Step 3: Cross multiply
    83,716.04x = 115,527.66 × 45,989.48
  4. Step 4: Simplify right side
    83,716.04x = 5,313,057,009.02
  5. Step 5: Solve for x
    x = 5,313,057,009.02/83,716.04
  6. Step 6: Final answer
    x = 63,465.22

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1.5x scale

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.