Home / 79,795.08-110,112.21-43,985.40

Finding the Fourth Proportional to 79,795.08, 110,112.21 and 43,985.40

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Solution

The fourth proportional to 79,795.08, 110,112.21 and 43,985.40 is: 60,697.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,795.08 : 110,112.21 = 43,985.40 : x
  2. Step 2: Convert to fraction form
    79,795.08/110,112.21 = 43,985.40/x
  3. Step 3: Cross multiply
    79,795.08x = 110,112.21 × 43,985.40
  4. Step 4: Simplify right side
    79,795.08x = 4,843,329,601.73
  5. Step 5: Solve for x
    x = 4,843,329,601.73/79,795.08
  6. Step 6: Final answer
    x = 60,697.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.