Home / 45,430.66-68,149.83-14,265.94

Finding the Fourth Proportional to 45,430.66, 68,149.83 and 14,265.94

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Solution

The fourth proportional to 45,430.66, 68,149.83 and 14,265.94 is: 21,400.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,430.66 : 68,149.83 = 14,265.94 : x
  2. Step 2: Convert to fraction form
    45,430.66/68,149.83 = 14,265.94/x
  3. Step 3: Cross multiply
    45,430.66x = 68,149.83 × 14,265.94
  4. Step 4: Simplify right side
    45,430.66x = 972,221,385.79
  5. Step 5: Solve for x
    x = 972,221,385.79/45,430.66
  6. Step 6: Final answer
    x = 21,400.12

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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.