Home / 42,750.66-64,116.81-16,450.50

Finding the Fourth Proportional to 42,750.66, 64,116.81 and 16,450.50

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Solution

The fourth proportional to 42,750.66, 64,116.81 and 16,450.50 is: 24,672.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,750.66 : 64,116.81 = 16,450.50 : x
  2. Step 2: Convert to fraction form
    42,750.66/64,116.81 = 16,450.50/x
  3. Step 3: Cross multiply
    42,750.66x = 64,116.81 × 16,450.50
  4. Step 4: Simplify right side
    42,750.66x = 1,054,753,582.91
  5. Step 5: Solve for x
    x = 1,054,753,582.91/42,750.66
  6. Step 6: Final answer
    x = 24,672.22

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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.