Home / 47,141.36-70,712.08-12,081.36

Finding the Fourth Proportional to 47,141.36, 70,712.08 and 12,081.36

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Solution

The fourth proportional to 47,141.36, 70,712.08 and 12,081.36 is: 18,122.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,141.36 : 70,712.08 = 12,081.36 : x
  2. Step 2: Convert to fraction form
    47,141.36/70,712.08 = 12,081.36/x
  3. Step 3: Cross multiply
    47,141.36x = 70,712.08 × 12,081.36
  4. Step 4: Simplify right side
    47,141.36x = 854,298,094.83
  5. Step 5: Solve for x
    x = 854,298,094.83/47,141.36
  6. Step 6: Final answer
    x = 18,122.05

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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.