Home / 46,689.96-70,035.02-13,857.96

Finding the Fourth Proportional to 46,689.96, 70,035.02 and 13,857.96

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Solution

The fourth proportional to 46,689.96, 70,035.02 and 13,857.96 is: 20,786.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,689.96 : 70,035.02 = 13,857.96 : x
  2. Step 2: Convert to fraction form
    46,689.96/70,035.02 = 13,857.96/x
  3. Step 3: Cross multiply
    46,689.96x = 70,035.02 × 13,857.96
  4. Step 4: Simplify right side
    46,689.96x = 970,542,505.76
  5. Step 5: Solve for x
    x = 970,542,505.76/46,689.96
  6. Step 6: Final answer
    x = 20,786.96

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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.