Home / 65,786.62-90,785.40-37,106.19

Finding the Fourth Proportional to 65,786.62, 90,785.40 and 37,106.19

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Solution

The fourth proportional to 65,786.62, 90,785.40 and 37,106.19 is: 51,206.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,786.62 : 90,785.40 = 37,106.19 : x
  2. Step 2: Convert to fraction form
    65,786.62/90,785.40 = 37,106.19/x
  3. Step 3: Cross multiply
    65,786.62x = 90,785.40 × 37,106.19
  4. Step 4: Simplify right side
    65,786.62x = 3,368,700,522.17
  5. Step 5: Solve for x
    x = 3,368,700,522.17/65,786.62
  6. Step 6: Final answer
    x = 51,206.47

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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.