Home / 85,056.51-117,363.35-51,083.73

Finding the Fourth Proportional to 85,056.51, 117,363.35 and 51,083.73

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Solution

The fourth proportional to 85,056.51, 117,363.35 and 51,083.73 is: 70,486.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,056.51 : 117,363.35 = 51,083.73 : x
  2. Step 2: Convert to fraction form
    85,056.51/117,363.35 = 51,083.73/x
  3. Step 3: Cross multiply
    85,056.51x = 117,363.35 × 51,083.73
  4. Step 4: Simplify right side
    85,056.51x = 5,995,357,333.98
  5. Step 5: Solve for x
    x = 5,995,357,333.98/85,056.51
  6. Step 6: Final answer
    x = 70,486.76

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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.