Home / 124,961.16-187,441.59-40,721.19

Finding the Fourth Proportional to 124,961.16, 187,441.59 and 40,721.19

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Solution

The fourth proportional to 124,961.16, 187,441.59 and 40,721.19 is: 61,081.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,961.16 : 187,441.59 = 40,721.19 : x
  2. Step 2: Convert to fraction form
    124,961.16/187,441.59 = 40,721.19/x
  3. Step 3: Cross multiply
    124,961.16x = 187,441.59 × 40,721.19
  4. Step 4: Simplify right side
    124,961.16x = 7,632,844,600.29
  5. Step 5: Solve for x
    x = 7,632,844,600.29/124,961.16
  6. Step 6: Final answer
    x = 61,081.74

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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.