Home / 66,894.03-100,341.23-16,974.05

Finding the Fourth Proportional to 66,894.03, 100,341.23 and 16,974.05

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Solution

The fourth proportional to 66,894.03, 100,341.23 and 16,974.05 is: 25,461.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,894.03 : 100,341.23 = 16,974.05 : x
  2. Step 2: Convert to fraction form
    66,894.03/100,341.23 = 16,974.05/x
  3. Step 3: Cross multiply
    66,894.03x = 100,341.23 × 16,974.05
  4. Step 4: Simplify right side
    66,894.03x = 1,703,196,468.51
  5. Step 5: Solve for x
    x = 1,703,196,468.51/66,894.03
  6. Step 6: Final answer
    x = 25,461.11

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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.