Home / 80,851.07-111,577.94-45,041.10

Finding the Fourth Proportional to 80,851.07, 111,577.94 and 45,041.10

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Solution

The fourth proportional to 80,851.07, 111,577.94 and 45,041.10 is: 62,158.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,851.07 : 111,577.94 = 45,041.10 : x
  2. Step 2: Convert to fraction form
    80,851.07/111,577.94 = 45,041.10/x
  3. Step 3: Cross multiply
    80,851.07x = 111,577.94 × 45,041.10
  4. Step 4: Simplify right side
    80,851.07x = 5,025,592,928.13
  5. Step 5: Solve for x
    x = 5,025,592,928.13/80,851.07
  6. Step 6: Final answer
    x = 62,158.65

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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.