Home / 43,120.49-64,688.95-15,048.56

Finding the Fourth Proportional to 43,120.49, 64,688.95 and 15,048.56

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Solution

The fourth proportional to 43,120.49, 64,688.95 and 15,048.56 is: 22,575.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,120.49 : 64,688.95 = 15,048.56 : x
  2. Step 2: Convert to fraction form
    43,120.49/64,688.95 = 15,048.56/x
  3. Step 3: Cross multiply
    43,120.49x = 64,688.95 × 15,048.56
  4. Step 4: Simplify right side
    43,120.49x = 973,475,383.69
  5. Step 5: Solve for x
    x = 973,475,383.69/43,120.49
  6. Step 6: Final answer
    x = 22,575.71

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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.