Home / 74,110.25-111,165.17-57,267.77

Finding the Fourth Proportional to 74,110.25, 111,165.17 and 57,267.77

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Solution

The fourth proportional to 74,110.25, 111,165.17 and 57,267.77 is: 85,901.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,110.25 : 111,165.17 = 57,267.77 : x
  2. Step 2: Convert to fraction form
    74,110.25/111,165.17 = 57,267.77/x
  3. Step 3: Cross multiply
    74,110.25x = 111,165.17 × 57,267.77
  4. Step 4: Simplify right side
    74,110.25x = 6,366,181,729.70
  5. Step 5: Solve for x
    x = 6,366,181,729.70/74,110.25
  6. Step 6: Final answer
    x = 85,901.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.