Home / 61,913.10-85,439.34-33,618.99

Finding the Fourth Proportional to 61,913.10, 85,439.34 and 33,618.99

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Solution

The fourth proportional to 61,913.10, 85,439.34 and 33,618.99 is: 46,393.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,913.10 : 85,439.34 = 33,618.99 : x
  2. Step 2: Convert to fraction form
    61,913.10/85,439.34 = 33,618.99/x
  3. Step 3: Cross multiply
    61,913.10x = 85,439.34 × 33,618.99
  4. Step 4: Simplify right side
    61,913.10x = 2,872,384,317.07
  5. Step 5: Solve for x
    x = 2,872,384,317.07/61,913.10
  6. Step 6: Final answer
    x = 46,393.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.