Home / 80,818.02-111,526.94-45,007.25

Finding the Fourth Proportional to 80,818.02, 111,526.94 and 45,007.25

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Solution

The fourth proportional to 80,818.02, 111,526.94 and 45,007.25 is: 62,108.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,818.02 : 111,526.94 = 45,007.25 : x
  2. Step 2: Convert to fraction form
    80,818.02/111,526.94 = 45,007.25/x
  3. Step 3: Cross multiply
    80,818.02x = 111,526.94 × 45,007.25
  4. Step 4: Simplify right side
    80,818.02x = 5,019,520,425.20
  5. Step 5: Solve for x
    x = 5,019,520,425.20/80,818.02
  6. Step 6: Final answer
    x = 62,108.93

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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.