Home / 110,955.96-153,111-67,942.44

Finding the Fourth Proportional to 110,955.96, 153,111 and 67,942.44

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Solution

The fourth proportional to 110,955.96, 153,111 and 67,942.44 is: 93,755.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,955.96 : 153,111 = 67,942.44 : x
  2. Step 2: Convert to fraction form
    110,955.96/153,111 = 67,942.44/x
  3. Step 3: Cross multiply
    110,955.96x = 153,111 × 67,942.44
  4. Step 4: Simplify right side
    110,955.96x = 10,402,734,930.84
  5. Step 5: Solve for x
    x = 10,402,734,930.84/110,955.96
  6. Step 6: Final answer
    x = 93,755.53

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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.