Home / 68,830.14-103,223.32-46,785.18

Finding the Fourth Proportional to 68,830.14, 103,223.32 and 46,785.18

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Solution

The fourth proportional to 68,830.14, 103,223.32 and 46,785.18 is: 70,162.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,830.14 : 103,223.32 = 46,785.18 : x
  2. Step 2: Convert to fraction form
    68,830.14/103,223.32 = 46,785.18/x
  3. Step 3: Cross multiply
    68,830.14x = 103,223.32 × 46,785.18
  4. Step 4: Simplify right side
    68,830.14x = 4,829,321,606.40
  5. Step 5: Solve for x
    x = 4,829,321,606.40/68,830.14
  6. Step 6: Final answer
    x = 70,162.89

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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.