Home / 68,206.56-94,184.60-42,756.78

Finding the Fourth Proportional to 68,206.56, 94,184.60 and 42,756.78

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Solution

The fourth proportional to 68,206.56, 94,184.60 and 42,756.78 is: 59,041.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,206.56 : 94,184.60 = 42,756.78 : x
  2. Step 2: Convert to fraction form
    68,206.56/94,184.60 = 42,756.78/x
  3. Step 3: Cross multiply
    68,206.56x = 94,184.60 × 42,756.78
  4. Step 4: Simplify right side
    68,206.56x = 4,027,030,361.00
  5. Step 5: Solve for x
    x = 4,027,030,361.00/68,206.56
  6. Step 6: Final answer
    x = 59,041.69

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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.