Home / 42,731.84-64,028.64-34,944.32

Finding the Fourth Proportional to 42,731.84, 64,028.64 and 34,944.32

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Solution

The fourth proportional to 42,731.84, 64,028.64 and 34,944.32 is: 52,359.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,731.84 : 64,028.64 = 34,944.32 : x
  2. Step 2: Convert to fraction form
    42,731.84/64,028.64 = 34,944.32/x
  3. Step 3: Cross multiply
    42,731.84x = 64,028.64 × 34,944.32
  4. Step 4: Simplify right side
    42,731.84x = 2,237,437,285.32
  5. Step 5: Solve for x
    x = 2,237,437,285.32/42,731.84
  6. Step 6: Final answer
    x = 52,359.96

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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.