Home / 112,018.26-154,577.99-66,699.57

Finding the Fourth Proportional to 112,018.26, 154,577.99 and 66,699.57

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Solution

The fourth proportional to 112,018.26, 154,577.99 and 66,699.57 is: 92,041.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,018.26 : 154,577.99 = 66,699.57 : x
  2. Step 2: Convert to fraction form
    112,018.26/154,577.99 = 66,699.57/x
  3. Step 3: Cross multiply
    112,018.26x = 154,577.99 × 66,699.57
  4. Step 4: Simplify right side
    112,018.26x = 10,310,285,464.46
  5. Step 5: Solve for x
    x = 10,310,285,464.46/112,018.26
  6. Step 6: Final answer
    x = 92,041.11

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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.