Home / 120,724.02-181,118.24-41,838.18

Finding the Fourth Proportional to 120,724.02, 181,118.24 and 41,838.18

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Solution

The fourth proportional to 120,724.02, 181,118.24 and 41,838.18 is: 62,768.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,724.02 : 181,118.24 = 41,838.18 : x
  2. Step 2: Convert to fraction form
    120,724.02/181,118.24 = 41,838.18/x
  3. Step 3: Cross multiply
    120,724.02x = 181,118.24 × 41,838.18
  4. Step 4: Simplify right side
    120,724.02x = 7,577,657,317.21
  5. Step 5: Solve for x
    x = 7,577,657,317.21/120,724.02
  6. Step 6: Final answer
    x = 62,768.43

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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.