Home / 36,070.68-54,111.15-11,112.76

Finding the Fourth Proportional to 36,070.68, 54,111.15 and 11,112.76

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Solution

The fourth proportional to 36,070.68, 54,111.15 and 11,112.76 is: 16,670.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,070.68 : 54,111.15 = 11,112.76 : x
  2. Step 2: Convert to fraction form
    36,070.68/54,111.15 = 11,112.76/x
  3. Step 3: Cross multiply
    36,070.68x = 54,111.15 × 11,112.76
  4. Step 4: Simplify right side
    36,070.68x = 601,323,897.15
  5. Step 5: Solve for x
    x = 601,323,897.15/36,070.68
  6. Step 6: Final answer
    x = 16,670.71

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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.