Home / 83,066.04-114,612.30-80,220.60

Finding the Fourth Proportional to 83,066.04, 114,612.30 and 80,220.60

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Solution

The fourth proportional to 83,066.04, 114,612.30 and 80,220.60 is: 110,686.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,066.04 : 114,612.30 = 80,220.60 : x
  2. Step 2: Convert to fraction form
    83,066.04/114,612.30 = 80,220.60/x
  3. Step 3: Cross multiply
    83,066.04x = 114,612.30 × 80,220.60
  4. Step 4: Simplify right side
    83,066.04x = 9,194,267,473.38
  5. Step 5: Solve for x
    x = 9,194,267,473.38/83,066.04
  6. Step 6: Final answer
    x = 110,686.24

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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.