Home / 80,969.04-111,674.16-52,683.84

Finding the Fourth Proportional to 80,969.04, 111,674.16 and 52,683.84

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Solution

The fourth proportional to 80,969.04, 111,674.16 and 52,683.84 is: 72,662.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,969.04 : 111,674.16 = 52,683.84 : x
  2. Step 2: Convert to fraction form
    80,969.04/111,674.16 = 52,683.84/x
  3. Step 3: Cross multiply
    80,969.04x = 111,674.16 × 52,683.84
  4. Step 4: Simplify right side
    80,969.04x = 5,883,423,577.57
  5. Step 5: Solve for x
    x = 5,883,423,577.57/80,969.04
  6. Step 6: Final answer
    x = 72,662.63

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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.