Home / 109,445.76-151,035.84-59,144.64

Finding the Fourth Proportional to 109,445.76, 151,035.84 and 59,144.64

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Solution

The fourth proportional to 109,445.76, 151,035.84 and 59,144.64 is: 81,619.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,445.76 : 151,035.84 = 59,144.64 : x
  2. Step 2: Convert to fraction form
    109,445.76/151,035.84 = 59,144.64/x
  3. Step 3: Cross multiply
    109,445.76x = 151,035.84 × 59,144.64
  4. Step 4: Simplify right side
    109,445.76x = 8,932,960,383.90
  5. Step 5: Solve for x
    x = 8,932,960,383.90/109,445.76
  6. Step 6: Final answer
    x = 81,619.98

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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.