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Finding the Fourth Proportional to 61,491.73, 92,237.62 and 47,472.23

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Solution

The fourth proportional to 61,491.73, 92,237.62 and 47,472.23 is: 71,208.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,491.73 : 92,237.62 = 47,472.23 : x
  2. Step 2: Convert to fraction form
    61,491.73/92,237.62 = 47,472.23/x
  3. Step 3: Cross multiply
    61,491.73x = 92,237.62 × 47,472.23
  4. Step 4: Simplify right side
    61,491.73x = 4,378,725,511.29
  5. Step 5: Solve for x
    x = 4,378,725,511.29/61,491.73
  6. Step 6: Final answer
    x = 71,208.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.