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Finding the Fourth Proportional to 70,093.44, 96,483.42 and 61,125.12

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Solution

The fourth proportional to 70,093.44, 96,483.42 and 61,125.12 is: 84,138.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,093.44 : 96,483.42 = 61,125.12 : x
  2. Step 2: Convert to fraction form
    70,093.44/96,483.42 = 61,125.12/x
  3. Step 3: Cross multiply
    70,093.44x = 96,483.42 × 61,125.12
  4. Step 4: Simplify right side
    70,093.44x = 5,897,560,625.51
  5. Step 5: Solve for x
    x = 5,897,560,625.51/70,093.44
  6. Step 6: Final answer
    x = 84,138.55

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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.