Home / 68,435.51-94,506.21-64,708.16

Finding the Fourth Proportional to 68,435.51, 94,506.21 and 64,708.16

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Solution

The fourth proportional to 68,435.51, 94,506.21 and 64,708.16 is: 89,358.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,435.51 : 94,506.21 = 64,708.16 : x
  2. Step 2: Convert to fraction form
    68,435.51/94,506.21 = 64,708.16/x
  3. Step 3: Cross multiply
    68,435.51x = 94,506.21 × 64,708.16
  4. Step 4: Simplify right side
    68,435.51x = 6,115,322,485.14
  5. Step 5: Solve for x
    x = 6,115,322,485.14/68,435.51
  6. Step 6: Final answer
    x = 89,358.92

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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.