Home / 89,895.20-134,880.60-48,293.60

Finding the Fourth Proportional to 89,895.20, 134,880.60 and 48,293.60

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Solution

The fourth proportional to 89,895.20, 134,880.60 and 48,293.60 is: 72,460.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,895.20 : 134,880.60 = 48,293.60 : x
  2. Step 2: Convert to fraction form
    89,895.20/134,880.60 = 48,293.60/x
  3. Step 3: Cross multiply
    89,895.20x = 134,880.60 × 48,293.60
  4. Step 4: Simplify right side
    89,895.20x = 6,513,869,744.16
  5. Step 5: Solve for x
    x = 6,513,869,744.16/89,895.20
  6. Step 6: Final answer
    x = 72,460.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.