Home / 109,795.08-151,518.39-64,473.60

Finding the Fourth Proportional to 109,795.08, 151,518.39 and 64,473.60

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Solution

The fourth proportional to 109,795.08, 151,518.39 and 64,473.60 is: 88,974.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,795.08 : 151,518.39 = 64,473.60 : x
  2. Step 2: Convert to fraction form
    109,795.08/151,518.39 = 64,473.60/x
  3. Step 3: Cross multiply
    109,795.08x = 151,518.39 × 64,473.60
  4. Step 4: Simplify right side
    109,795.08x = 9,768,936,069.50
  5. Step 5: Solve for x
    x = 9,768,936,069.50/109,795.08
  6. Step 6: Final answer
    x = 88,974.26

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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.