Home / 85,825.17-118,414.20-49,523.76

Finding the Fourth Proportional to 85,825.17, 118,414.20 and 49,523.76

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Solution

The fourth proportional to 85,825.17, 118,414.20 and 49,523.76 is: 68,328.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,825.17 : 118,414.20 = 49,523.76 : x
  2. Step 2: Convert to fraction form
    85,825.17/118,414.20 = 49,523.76/x
  3. Step 3: Cross multiply
    85,825.17x = 118,414.20 × 49,523.76
  4. Step 4: Simplify right side
    85,825.17x = 5,864,316,421.39
  5. Step 5: Solve for x
    x = 5,864,316,421.39/85,825.17
  6. Step 6: Final answer
    x = 68,328.63

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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.