Home / 89,209.08-133,835.76-35,904.60

Finding the Fourth Proportional to 89,209.08, 133,835.76 and 35,904.60

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Solution

The fourth proportional to 89,209.08, 133,835.76 and 35,904.60 is: 53,865.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,209.08 : 133,835.76 = 35,904.60 : x
  2. Step 2: Convert to fraction form
    89,209.08/133,835.76 = 35,904.60/x
  3. Step 3: Cross multiply
    89,209.08x = 133,835.76 × 35,904.60
  4. Step 4: Simplify right side
    89,209.08x = 4,805,319,428.50
  5. Step 5: Solve for x
    x = 4,805,319,428.50/89,209.08
  6. Step 6: Final answer
    x = 53,865.81

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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.