Home / 40,902.42-61,356.56-10,916.50

Finding the Fourth Proportional to 40,902.42, 61,356.56 and 10,916.50

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Solution

The fourth proportional to 40,902.42, 61,356.56 and 10,916.50 is: 16,375.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,902.42 : 61,356.56 = 10,916.50 : x
  2. Step 2: Convert to fraction form
    40,902.42/61,356.56 = 10,916.50/x
  3. Step 3: Cross multiply
    40,902.42x = 61,356.56 × 10,916.50
  4. Step 4: Simplify right side
    40,902.42x = 669,798,887.24
  5. Step 5: Solve for x
    x = 669,798,887.24/40,902.42
  6. Step 6: Final answer
    x = 16,375.53

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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.