Home / 109,873.36-151,631.04-69,572.44

Finding the Fourth Proportional to 109,873.36, 151,631.04 and 69,572.44

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Solution

The fourth proportional to 109,873.36, 151,631.04 and 69,572.44 is: 96,013.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,873.36 : 151,631.04 = 69,572.44 : x
  2. Step 2: Convert to fraction form
    109,873.36/151,631.04 = 69,572.44/x
  3. Step 3: Cross multiply
    109,873.36x = 151,631.04 × 69,572.44
  4. Step 4: Simplify right side
    109,873.36x = 10,549,341,432.54
  5. Step 5: Solve for x
    x = 10,549,341,432.54/109,873.36
  6. Step 6: Final answer
    x = 96,013.64

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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.