Home / 89,928.74-124,100.96-49,642.53

Finding the Fourth Proportional to 89,928.74, 124,100.96 and 49,642.53

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Solution

The fourth proportional to 89,928.74, 124,100.96 and 49,642.53 is: 68,506.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,928.74 : 124,100.96 = 49,642.53 : x
  2. Step 2: Convert to fraction form
    89,928.74/124,100.96 = 49,642.53/x
  3. Step 3: Cross multiply
    89,928.74x = 124,100.96 × 49,642.53
  4. Step 4: Simplify right side
    89,928.74x = 6,160,685,381.62
  5. Step 5: Solve for x
    x = 6,160,685,381.62/89,928.74
  6. Step 6: Final answer
    x = 68,506.31

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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.