Home / 109,733.40-151,431.96-59,432.40

Finding the Fourth Proportional to 109,733.40, 151,431.96 and 59,432.40

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Solution

The fourth proportional to 109,733.40, 151,431.96 and 59,432.40 is: 82,016.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,733.40 : 151,431.96 = 59,432.40 : x
  2. Step 2: Convert to fraction form
    109,733.40/151,431.96 = 59,432.40/x
  3. Step 3: Cross multiply
    109,733.40x = 151,431.96 × 59,432.40
  4. Step 4: Simplify right side
    109,733.40x = 8,999,964,819.50
  5. Step 5: Solve for x
    x = 8,999,964,819.50/109,733.40
  6. Step 6: Final answer
    x = 82,016.64

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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.