Home / 70,844.59-97,739.87-40,199.95

Finding the Fourth Proportional to 70,844.59, 97,739.87 and 40,199.95

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Solution

The fourth proportional to 70,844.59, 97,739.87 and 40,199.95 is: 55,461.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,844.59 : 97,739.87 = 40,199.95 : x
  2. Step 2: Convert to fraction form
    70,844.59/97,739.87 = 40,199.95/x
  3. Step 3: Cross multiply
    70,844.59x = 97,739.87 × 40,199.95
  4. Step 4: Simplify right side
    70,844.59x = 3,929,137,887.01
  5. Step 5: Solve for x
    x = 3,929,137,887.01/70,844.59
  6. Step 6: Final answer
    x = 55,461.37

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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.