Home / 47,077.75-70,616.61-12,017.40

Finding the Fourth Proportional to 47,077.75, 70,616.61 and 12,017.40

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Solution

The fourth proportional to 47,077.75, 70,616.61 and 12,017.40 is: 18,026.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,077.75 : 70,616.61 = 12,017.40 : x
  2. Step 2: Convert to fraction form
    47,077.75/70,616.61 = 12,017.40/x
  3. Step 3: Cross multiply
    47,077.75x = 70,616.61 × 12,017.40
  4. Step 4: Simplify right side
    47,077.75x = 848,627,827.41
  5. Step 5: Solve for x
    x = 848,627,827.41/47,077.75
  6. Step 6: Final answer
    x = 18,026.09

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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.