Home / 74,443.48-102,738.30-40,916.44

Finding the Fourth Proportional to 74,443.48, 102,738.30 and 40,916.44

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Solution

The fourth proportional to 74,443.48, 102,738.30 and 40,916.44 is: 56,468.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,443.48 : 102,738.30 = 40,916.44 : x
  2. Step 2: Convert to fraction form
    74,443.48/102,738.30 = 40,916.44/x
  3. Step 3: Cross multiply
    74,443.48x = 102,738.30 × 40,916.44
  4. Step 4: Simplify right side
    74,443.48x = 4,203,685,487.65
  5. Step 5: Solve for x
    x = 4,203,685,487.65/74,443.48
  6. Step 6: Final answer
    x = 56,468.15

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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.