Home / 77,409.41-116,120.32-33,036.66

Finding the Fourth Proportional to 77,409.41, 116,120.32 and 33,036.66

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Solution

The fourth proportional to 77,409.41, 116,120.32 and 33,036.66 is: 49,557.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,409.41 : 116,120.32 = 33,036.66 : x
  2. Step 2: Convert to fraction form
    77,409.41/116,120.32 = 33,036.66/x
  3. Step 3: Cross multiply
    77,409.41x = 116,120.32 × 33,036.66
  4. Step 4: Simplify right side
    77,409.41x = 3,836,227,448.34
  5. Step 5: Solve for x
    x = 3,836,227,448.34/77,409.41
  6. Step 6: Final answer
    x = 49,557.64

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1.5x scale

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.