Home / 68,080.04-102,125.42-20,699.19

Finding the Fourth Proportional to 68,080.04, 102,125.42 and 20,699.19

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Solution

The fourth proportional to 68,080.04, 102,125.42 and 20,699.19 is: 31,050.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,080.04 : 102,125.42 = 20,699.19 : x
  2. Step 2: Convert to fraction form
    68,080.04/102,125.42 = 20,699.19/x
  3. Step 3: Cross multiply
    68,080.04x = 102,125.42 × 20,699.19
  4. Step 4: Simplify right side
    68,080.04x = 2,113,913,524.16
  5. Step 5: Solve for x
    x = 2,113,913,524.16/68,080.04
  6. Step 6: Final answer
    x = 31,050.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.