Home / 109,733.76-151,432.32-59,433.60

Finding the Fourth Proportional to 109,733.76, 151,432.32 and 59,433.60

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Solution

The fourth proportional to 109,733.76, 151,432.32 and 59,433.60 is: 82,018.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,733.76 : 151,432.32 = 59,433.60 : x
  2. Step 2: Convert to fraction form
    109,733.76/151,432.32 = 59,433.60/x
  3. Step 3: Cross multiply
    109,733.76x = 151,432.32 × 59,433.60
  4. Step 4: Simplify right side
    109,733.76x = 9,000,167,933.95
  5. Step 5: Solve for x
    x = 9,000,167,933.95/109,733.76
  6. Step 6: Final answer
    x = 82,018.22

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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.