Home / 68,590.13-103,399.29-64,017.93

Finding the Fourth Proportional to 68,590.13, 103,399.29 and 64,017.93

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Solution

The fourth proportional to 68,590.13, 103,399.29 and 64,017.93 is: 96,506.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,590.13 : 103,399.29 = 64,017.93 : x
  2. Step 2: Convert to fraction form
    68,590.13/103,399.29 = 64,017.93/x
  3. Step 3: Cross multiply
    68,590.13x = 103,399.29 × 64,017.93
  4. Step 4: Simplify right side
    68,590.13x = 6,619,409,057.06
  5. Step 5: Solve for x
    x = 6,619,409,057.06/68,590.13
  6. Step 6: Final answer
    x = 96,506.73

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.