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Finding the Fourth Proportional to 60,139.44, 82,896.82 and 47,372.39

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Solution

The fourth proportional to 60,139.44, 82,896.82 and 47,372.39 is: 65,298.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,139.44 : 82,896.82 = 47,372.39 : x
  2. Step 2: Convert to fraction form
    60,139.44/82,896.82 = 47,372.39/x
  3. Step 3: Cross multiply
    60,139.44x = 82,896.82 × 47,372.39
  4. Step 4: Simplify right side
    60,139.44x = 3,927,020,486.80
  5. Step 5: Solve for x
    x = 3,927,020,486.80/60,139.44
  6. Step 6: Final answer
    x = 65,298.59

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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.