Home / 81,492.63-122,126.18-58,822.55

Finding the Fourth Proportional to 81,492.63, 122,126.18 and 58,822.55

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Solution

The fourth proportional to 81,492.63, 122,126.18 and 58,822.55 is: 88,152.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,492.63 : 122,126.18 = 58,822.55 : x
  2. Step 2: Convert to fraction form
    81,492.63/122,126.18 = 58,822.55/x
  3. Step 3: Cross multiply
    81,492.63x = 122,126.18 × 58,822.55
  4. Step 4: Simplify right side
    81,492.63x = 7,183,773,900.43
  5. Step 5: Solve for x
    x = 7,183,773,900.43/81,492.63
  6. Step 6: Final answer
    x = 88,152.43

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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.