Home / 81,800.21-122,700.56-24,874.63

Finding the Fourth Proportional to 81,800.21, 122,700.56 and 24,874.63

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Solution

The fourth proportional to 81,800.21, 122,700.56 and 24,874.63 is: 37,312.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,800.21 : 122,700.56 = 24,874.63 : x
  2. Step 2: Convert to fraction form
    81,800.21/122,700.56 = 24,874.63/x
  3. Step 3: Cross multiply
    81,800.21x = 122,700.56 × 24,874.63
  4. Step 4: Simplify right side
    81,800.21x = 3,052,130,599.67
  5. Step 5: Solve for x
    x = 3,052,130,599.67/81,800.21
  6. Step 6: Final answer
    x = 37,312.01

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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.