Home / 103,799.48-155,675.32-40,621.10

Finding the Fourth Proportional to 103,799.48, 155,675.32 and 40,621.10

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Solution

The fourth proportional to 103,799.48, 155,675.32 and 40,621.10 is: 60,922.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,799.48 : 155,675.32 = 40,621.10 : x
  2. Step 2: Convert to fraction form
    103,799.48/155,675.32 = 40,621.10/x
  3. Step 3: Cross multiply
    103,799.48x = 155,675.32 × 40,621.10
  4. Step 4: Simplify right side
    103,799.48x = 6,323,701,861.32
  5. Step 5: Solve for x
    x = 6,323,701,861.32/103,799.48
  6. Step 6: Final answer
    x = 60,922.29

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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.