Home / 45,365.15-68,040.43-14,200.40

Finding the Fourth Proportional to 45,365.15, 68,040.43 and 14,200.40

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Solution

The fourth proportional to 45,365.15, 68,040.43 and 14,200.40 is: 21,298.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,365.15 : 68,040.43 = 14,200.40 : x
  2. Step 2: Convert to fraction form
    45,365.15/68,040.43 = 14,200.40/x
  3. Step 3: Cross multiply
    45,365.15x = 68,040.43 × 14,200.40
  4. Step 4: Simplify right side
    45,365.15x = 966,200,946.47
  5. Step 5: Solve for x
    x = 966,200,946.47/45,365.15
  6. Step 6: Final answer
    x = 21,298.31

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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.