Home / 80,817.96-111,526.29-45,007.23

Finding the Fourth Proportional to 80,817.96, 111,526.29 and 45,007.23

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Solution

The fourth proportional to 80,817.96, 111,526.29 and 45,007.23 is: 62,108.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,817.96 : 111,526.29 = 45,007.23 : x
  2. Step 2: Convert to fraction form
    80,817.96/111,526.29 = 45,007.23/x
  3. Step 3: Cross multiply
    80,817.96x = 111,526.29 × 45,007.23
  4. Step 4: Simplify right side
    80,817.96x = 5,019,489,385.08
  5. Step 5: Solve for x
    x = 5,019,489,385.08/80,817.96
  6. Step 6: Final answer
    x = 62,108.59

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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.