Home / 106,764.81-147,329.65-59,015.08

Finding the Fourth Proportional to 106,764.81, 147,329.65 and 59,015.08

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Solution

The fourth proportional to 106,764.81, 147,329.65 and 59,015.08 is: 81,437.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,764.81 : 147,329.65 = 59,015.08 : x
  2. Step 2: Convert to fraction form
    106,764.81/147,329.65 = 59,015.08/x
  3. Step 3: Cross multiply
    106,764.81x = 147,329.65 × 59,015.08
  4. Step 4: Simplify right side
    106,764.81x = 8,694,670,712.80
  5. Step 5: Solve for x
    x = 8,694,670,712.80/106,764.81
  6. Step 6: Final answer
    x = 81,437.61

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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.