Home / 74,108.02-111,063.61-42,533.21

Finding the Fourth Proportional to 74,108.02, 111,063.61 and 42,533.21

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Solution

The fourth proportional to 74,108.02, 111,063.61 and 42,533.21 is: 63,743.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,108.02 : 111,063.61 = 42,533.21 : x
  2. Step 2: Convert to fraction form
    74,108.02/111,063.61 = 42,533.21/x
  3. Step 3: Cross multiply
    74,108.02x = 111,063.61 × 42,533.21
  4. Step 4: Simplify right side
    74,108.02x = 4,723,891,847.49
  5. Step 5: Solve for x
    x = 4,723,891,847.49/74,108.02
  6. Step 6: Final answer
    x = 63,743.33

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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.