Home / 68,935.64-103,492.01-53,150.69

Finding the Fourth Proportional to 68,935.64, 103,492.01 and 53,150.69

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Solution

The fourth proportional to 68,935.64, 103,492.01 and 53,150.69 is: 79,794.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,935.64 : 103,492.01 = 53,150.69 : x
  2. Step 2: Convert to fraction form
    68,935.64/103,492.01 = 53,150.69/x
  3. Step 3: Cross multiply
    68,935.64x = 103,492.01 × 53,150.69
  4. Step 4: Simplify right side
    68,935.64x = 5,500,671,740.99
  5. Step 5: Solve for x
    x = 5,500,671,740.99/68,935.64
  6. Step 6: Final answer
    x = 79,794.31

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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.