Home / 92,583.18-138,881.30-45,823.50

Finding the Fourth Proportional to 92,583.18, 138,881.30 and 45,823.50

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Solution

The fourth proportional to 92,583.18, 138,881.30 and 45,823.50 is: 68,738.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,583.18 : 138,881.30 = 45,823.50 : x
  2. Step 2: Convert to fraction form
    92,583.18/138,881.30 = 45,823.50/x
  3. Step 3: Cross multiply
    92,583.18x = 138,881.30 × 45,823.50
  4. Step 4: Simplify right side
    92,583.18x = 6,364,027,021.43
  5. Step 5: Solve for x
    x = 6,364,027,021.43/92,583.18
  6. Step 6: Final answer
    x = 68,738.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.