Home / 42,361.89-63,442.64-36,784.92

Finding the Fourth Proportional to 42,361.89, 63,442.64 and 36,784.92

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Solution

The fourth proportional to 42,361.89, 63,442.64 and 36,784.92 is: 55,090.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,361.89 : 63,442.64 = 36,784.92 : x
  2. Step 2: Convert to fraction form
    42,361.89/63,442.64 = 36,784.92/x
  3. Step 3: Cross multiply
    42,361.89x = 63,442.64 × 36,784.92
  4. Step 4: Simplify right side
    42,361.89x = 2,333,732,436.99
  5. Step 5: Solve for x
    x = 2,333,732,436.99/42,361.89
  6. Step 6: Final answer
    x = 55,090.38

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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.