Home / 68,435.26-94,505.86-64,708.04

Finding the Fourth Proportional to 68,435.26, 94,505.86 and 64,708.04

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Solution

The fourth proportional to 68,435.26, 94,505.86 and 64,708.04 is: 89,358.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,435.26 : 94,505.86 = 64,708.04 : x
  2. Step 2: Convert to fraction form
    68,435.26/94,505.86 = 64,708.04/x
  3. Step 3: Cross multiply
    68,435.26x = 94,505.86 × 64,708.04
  4. Step 4: Simplify right side
    68,435.26x = 6,115,288,969.11
  5. Step 5: Solve for x
    x = 6,115,288,969.11/68,435.26
  6. Step 6: Final answer
    x = 89,358.75

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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.