Home / 89,880.21-124,033.91-49,594.35

Finding the Fourth Proportional to 89,880.21, 124,033.91 and 49,594.35

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Solution

The fourth proportional to 89,880.21, 124,033.91 and 49,594.35 is: 68,439.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,880.21 : 124,033.91 = 49,594.35 : x
  2. Step 2: Convert to fraction form
    89,880.21/124,033.91 = 49,594.35/x
  3. Step 3: Cross multiply
    89,880.21x = 124,033.91 × 49,594.35
  4. Step 4: Simplify right side
    89,880.21x = 6,151,381,144.41
  5. Step 5: Solve for x
    x = 6,151,381,144.41/89,880.21
  6. Step 6: Final answer
    x = 68,439.77

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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.