Home / 40,123.98-60,196.86-12,045.24

Finding the Fourth Proportional to 40,123.98, 60,196.86 and 12,045.24

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Solution

The fourth proportional to 40,123.98, 60,196.86 and 12,045.24 is: 18,071.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,123.98 : 60,196.86 = 12,045.24 : x
  2. Step 2: Convert to fraction form
    40,123.98/60,196.86 = 12,045.24/x
  3. Step 3: Cross multiply
    40,123.98x = 60,196.86 × 12,045.24
  4. Step 4: Simplify right side
    40,123.98x = 725,085,625.95
  5. Step 5: Solve for x
    x = 725,085,625.95/40,123.98
  6. Step 6: Final answer
    x = 18,071.13

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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.