Home / 42,756.99-64,135.61-25,214.50

Finding the Fourth Proportional to 42,756.99, 64,135.61 and 25,214.50

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Solution

The fourth proportional to 42,756.99, 64,135.61 and 25,214.50 is: 37,821.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,756.99 : 64,135.61 = 25,214.50 : x
  2. Step 2: Convert to fraction form
    42,756.99/64,135.61 = 25,214.50/x
  3. Step 3: Cross multiply
    42,756.99x = 64,135.61 × 25,214.50
  4. Step 4: Simplify right side
    42,756.99x = 1,617,147,338.35
  5. Step 5: Solve for x
    x = 1,617,147,338.35/42,756.99
  6. Step 6: Final answer
    x = 37,821.82

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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.