Home / 82,666.18-123,994.83-48,490.98

Finding the Fourth Proportional to 82,666.18, 123,994.83 and 48,490.98

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Solution

The fourth proportional to 82,666.18, 123,994.83 and 48,490.98 is: 72,733.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,666.18 : 123,994.83 = 48,490.98 : x
  2. Step 2: Convert to fraction form
    82,666.18/123,994.83 = 48,490.98/x
  3. Step 3: Cross multiply
    82,666.18x = 123,994.83 × 48,490.98
  4. Step 4: Simplify right side
    82,666.18x = 6,012,630,821.63
  5. Step 5: Solve for x
    x = 6,012,630,821.63/82,666.18
  6. Step 6: Final answer
    x = 72,733.87

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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.