Home / 43,133.66-64,710.18-13,150.58

Finding the Fourth Proportional to 43,133.66, 64,710.18 and 13,150.58

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Solution

The fourth proportional to 43,133.66, 64,710.18 and 13,150.58 is: 19,728.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,133.66 : 64,710.18 = 13,150.58 : x
  2. Step 2: Convert to fraction form
    43,133.66/64,710.18 = 13,150.58/x
  3. Step 3: Cross multiply
    43,133.66x = 64,710.18 × 13,150.58
  4. Step 4: Simplify right side
    43,133.66x = 850,976,398.90
  5. Step 5: Solve for x
    x = 850,976,398.90/43,133.66
  6. Step 6: Final answer
    x = 19,728.82

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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.