Home / 89,917.67-124,077.52-49,628.81

Finding the Fourth Proportional to 89,917.67, 124,077.52 and 49,628.81

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Solution

The fourth proportional to 89,917.67, 124,077.52 and 49,628.81 is: 68,482.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,917.67 : 124,077.52 = 49,628.81 : x
  2. Step 2: Convert to fraction form
    89,917.67/124,077.52 = 49,628.81/x
  3. Step 3: Cross multiply
    89,917.67x = 124,077.52 × 49,628.81
  4. Step 4: Simplify right side
    89,917.67x = 6,157,820,212.07
  5. Step 5: Solve for x
    x = 6,157,820,212.07/89,917.67
  6. Step 6: Final answer
    x = 68,482.87

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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.