Home / 312,555.66-468,827.01-75,899.58

Finding the Fourth Proportional to 312,555.66, 468,827.01 and 75,899.58

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Solution

The fourth proportional to 312,555.66, 468,827.01 and 75,899.58 is: 113,847.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,555.66 : 468,827.01 = 75,899.58 : x
  2. Step 2: Convert to fraction form
    312,555.66/468,827.01 = 75,899.58/x
  3. Step 3: Cross multiply
    312,555.66x = 468,827.01 × 75,899.58
  4. Step 4: Simplify right side
    312,555.66x = 35,583,773,151.66
  5. Step 5: Solve for x
    x = 35,583,773,151.66/312,555.66
  6. Step 6: Final answer
    x = 113,847.80

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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.