Home / 73,926.81-102,037.32-42,114.60

Finding the Fourth Proportional to 73,926.81, 102,037.32 and 42,114.60

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Solution

The fourth proportional to 73,926.81, 102,037.32 and 42,114.60 is: 58,128.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,926.81 : 102,037.32 = 42,114.60 : x
  2. Step 2: Convert to fraction form
    73,926.81/102,037.32 = 42,114.60/x
  3. Step 3: Cross multiply
    73,926.81x = 102,037.32 × 42,114.60
  4. Step 4: Simplify right side
    73,926.81x = 4,297,260,916.87
  5. Step 5: Solve for x
    x = 4,297,260,916.87/73,926.81
  6. Step 6: Final answer
    x = 58,128.59

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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.