Home / 120,735.07-181,061.59-41,830.88

Finding the Fourth Proportional to 120,735.07, 181,061.59 and 41,830.88

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Solution

The fourth proportional to 120,735.07, 181,061.59 and 41,830.88 is: 62,732.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,735.07 : 181,061.59 = 41,830.88 : x
  2. Step 2: Convert to fraction form
    120,735.07/181,061.59 = 41,830.88/x
  3. Step 3: Cross multiply
    120,735.07x = 181,061.59 × 41,830.88
  4. Step 4: Simplify right side
    120,735.07x = 7,573,965,643.90
  5. Step 5: Solve for x
    x = 7,573,965,643.90/120,735.07
  6. Step 6: Final answer
    x = 62,732.11

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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.