Home / 111,964.41-154,511.01-60,977.22

Finding the Fourth Proportional to 111,964.41, 154,511.01 and 60,977.22

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Solution

The fourth proportional to 111,964.41, 154,511.01 and 60,977.22 is: 84,148.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,964.41 : 154,511.01 = 60,977.22 : x
  2. Step 2: Convert to fraction form
    111,964.41/154,511.01 = 60,977.22/x
  3. Step 3: Cross multiply
    111,964.41x = 154,511.01 × 60,977.22
  4. Step 4: Simplify right side
    111,964.41x = 9,421,651,849.19
  5. Step 5: Solve for x
    x = 9,421,651,849.19/111,964.41
  6. Step 6: Final answer
    x = 84,148.63

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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.