Home / 89,914.96-124,080.75-49,077.74

Finding the Fourth Proportional to 89,914.96, 124,080.75 and 49,077.74

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Solution

The fourth proportional to 89,914.96, 124,080.75 and 49,077.74 is: 67,726.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,914.96 : 124,080.75 = 49,077.74 : x
  2. Step 2: Convert to fraction form
    89,914.96/124,080.75 = 49,077.74/x
  3. Step 3: Cross multiply
    89,914.96x = 124,080.75 × 49,077.74
  4. Step 4: Simplify right side
    89,914.96x = 6,089,601,983.06
  5. Step 5: Solve for x
    x = 6,089,601,983.06/89,914.96
  6. Step 6: Final answer
    x = 67,726.24

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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.