Home / 61,899.72-85,336.97-42,518.04

Finding the Fourth Proportional to 61,899.72, 85,336.97 and 42,518.04

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Solution

The fourth proportional to 61,899.72, 85,336.97 and 42,518.04 is: 58,616.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,899.72 : 85,336.97 = 42,518.04 : x
  2. Step 2: Convert to fraction form
    61,899.72/85,336.97 = 42,518.04/x
  3. Step 3: Cross multiply
    61,899.72x = 85,336.97 × 42,518.04
  4. Step 4: Simplify right side
    61,899.72x = 3,628,360,703.94
  5. Step 5: Solve for x
    x = 3,628,360,703.94/61,899.72
  6. Step 6: Final answer
    x = 58,616.75

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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.