Home / 111,845.22-154,352.79-64,106.52

Finding the Fourth Proportional to 111,845.22, 154,352.79 and 64,106.52

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Solution

The fourth proportional to 111,845.22, 154,352.79 and 64,106.52 is: 88,470.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,845.22 : 154,352.79 = 64,106.52 : x
  2. Step 2: Convert to fraction form
    111,845.22/154,352.79 = 64,106.52/x
  3. Step 3: Cross multiply
    111,845.22x = 154,352.79 × 64,106.52
  4. Step 4: Simplify right side
    111,845.22x = 9,895,020,219.19
  5. Step 5: Solve for x
    x = 9,895,020,219.19/111,845.22
  6. Step 6: Final answer
    x = 88,470.66

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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.