Home / 75,818.60-104,627.98-41,827.12

Finding the Fourth Proportional to 75,818.60, 104,627.98 and 41,827.12

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Solution

The fourth proportional to 75,818.60, 104,627.98 and 41,827.12 is: 57,720.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,818.60 : 104,627.98 = 41,827.12 : x
  2. Step 2: Convert to fraction form
    75,818.60/104,627.98 = 41,827.12/x
  3. Step 3: Cross multiply
    75,818.60x = 104,627.98 × 41,827.12
  4. Step 4: Simplify right side
    75,818.60x = 4,376,286,865.53
  5. Step 5: Solve for x
    x = 4,376,286,865.53/75,818.60
  6. Step 6: Final answer
    x = 57,720.49

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1.5x scale

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.