Home / 75,255.63-103,922.85-48,444.60

Finding the Fourth Proportional to 75,255.63, 103,922.85 and 48,444.60

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Solution

The fourth proportional to 75,255.63, 103,922.85 and 48,444.60 is: 66,898.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,255.63 : 103,922.85 = 48,444.60 : x
  2. Step 2: Convert to fraction form
    75,255.63/103,922.85 = 48,444.60/x
  3. Step 3: Cross multiply
    75,255.63x = 103,922.85 × 48,444.60
  4. Step 4: Simplify right side
    75,255.63x = 5,034,500,899.11
  5. Step 5: Solve for x
    x = 5,034,500,899.11/75,255.63
  6. Step 6: Final answer
    x = 66,898.66

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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.