Home / 112,647.96-155,443.65-67,316.94

Finding the Fourth Proportional to 112,647.96, 155,443.65 and 67,316.94

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Solution

The fourth proportional to 112,647.96, 155,443.65 and 67,316.94 is: 92,891.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,647.96 : 155,443.65 = 67,316.94 : x
  2. Step 2: Convert to fraction form
    112,647.96/155,443.65 = 67,316.94/x
  3. Step 3: Cross multiply
    112,647.96x = 155,443.65 × 67,316.94
  4. Step 4: Simplify right side
    112,647.96x = 10,463,990,860.43
  5. Step 5: Solve for x
    x = 10,463,990,860.43/112,647.96
  6. Step 6: Final answer
    x = 92,891.08

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1.5x scale

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.