Home / 94,578.51-141,449.48-84,121.89

Finding the Fourth Proportional to 94,578.51, 141,449.48 and 84,121.89

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Solution

The fourth proportional to 94,578.51, 141,449.48 and 84,121.89 is: 125,810.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,578.51 : 141,449.48 = 84,121.89 : x
  2. Step 2: Convert to fraction form
    94,578.51/141,449.48 = 84,121.89/x
  3. Step 3: Cross multiply
    94,578.51x = 141,449.48 × 84,121.89
  4. Step 4: Simplify right side
    94,578.51x = 11,898,997,176.51
  5. Step 5: Solve for x
    x = 11,898,997,176.51/94,578.51
  6. Step 6: Final answer
    x = 125,810.79

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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.