Home / 66,106.09-91,225.89-35,890.81

Finding the Fourth Proportional to 66,106.09, 91,225.89 and 35,890.81

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Solution

The fourth proportional to 66,106.09, 91,225.89 and 35,890.81 is: 49,529.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,106.09 : 91,225.89 = 35,890.81 : x
  2. Step 2: Convert to fraction form
    66,106.09/91,225.89 = 35,890.81/x
  3. Step 3: Cross multiply
    66,106.09x = 91,225.89 × 35,890.81
  4. Step 4: Simplify right side
    66,106.09x = 3,274,171,085.07
  5. Step 5: Solve for x
    x = 3,274,171,085.07/66,106.09
  6. Step 6: Final answer
    x = 49,529.04

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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.