Home / 42,739.87-64,112.54-16,444.62

Finding the Fourth Proportional to 42,739.87, 64,112.54 and 16,444.62

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Solution

The fourth proportional to 42,739.87, 64,112.54 and 16,444.62 is: 24,667.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,739.87 : 64,112.54 = 16,444.62 : x
  2. Step 2: Convert to fraction form
    42,739.87/64,112.54 = 16,444.62/x
  3. Step 3: Cross multiply
    42,739.87x = 64,112.54 × 16,444.62
  4. Step 4: Simplify right side
    42,739.87x = 1,054,306,357.53
  5. Step 5: Solve for x
    x = 1,054,306,357.53/42,739.87
  6. Step 6: Final answer
    x = 24,667.98

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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.