Home / 89,967.51-124,151.94-49,679.19

Finding the Fourth Proportional to 89,967.51, 124,151.94 and 49,679.19

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Solution

The fourth proportional to 89,967.51, 124,151.94 and 49,679.19 is: 68,555.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,967.51 : 124,151.94 = 49,679.19 : x
  2. Step 2: Convert to fraction form
    89,967.51/124,151.94 = 49,679.19/x
  3. Step 3: Cross multiply
    89,967.51x = 124,151.94 × 49,679.19
  4. Step 4: Simplify right side
    89,967.51x = 6,167,767,816.13
  5. Step 5: Solve for x
    x = 6,167,767,816.13/89,967.51
  6. Step 6: Final answer
    x = 68,555.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.