Home / 106,561.56-147,054.64-58,814.58

Finding the Fourth Proportional to 106,561.56, 147,054.64 and 58,814.58

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Solution

The fourth proportional to 106,561.56, 147,054.64 and 58,814.58 is: 81,163.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,561.56 : 147,054.64 = 58,814.58 : x
  2. Step 2: Convert to fraction form
    106,561.56/147,054.64 = 58,814.58/x
  3. Step 3: Cross multiply
    106,561.56x = 147,054.64 × 58,814.58
  4. Step 4: Simplify right side
    106,561.56x = 8,648,956,888.65
  5. Step 5: Solve for x
    x = 8,648,956,888.65/106,561.56
  6. Step 6: Final answer
    x = 81,163.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.