Home / 68,316.51-102,509.61-46,083.30

Finding the Fourth Proportional to 68,316.51, 102,509.61 and 46,083.30

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Solution

The fourth proportional to 68,316.51, 102,509.61 and 46,083.30 is: 69,148.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,316.51 : 102,509.61 = 46,083.30 : x
  2. Step 2: Convert to fraction form
    68,316.51/102,509.61 = 46,083.30/x
  3. Step 3: Cross multiply
    68,316.51x = 102,509.61 × 46,083.30
  4. Step 4: Simplify right side
    68,316.51x = 4,723,981,110.51
  5. Step 5: Solve for x
    x = 4,723,981,110.51/68,316.51
  6. Step 6: Final answer
    x = 69,148.45

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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.