Home / 111,811.86-154,303.19-60,827.46

Finding the Fourth Proportional to 111,811.86, 154,303.19 and 60,827.46

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Solution

The fourth proportional to 111,811.86, 154,303.19 and 60,827.46 is: 83,943.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,811.86 : 154,303.19 = 60,827.46 : x
  2. Step 2: Convert to fraction form
    111,811.86/154,303.19 = 60,827.46/x
  3. Step 3: Cross multiply
    111,811.86x = 154,303.19 × 60,827.46
  4. Step 4: Simplify right side
    111,811.86x = 9,385,870,813.46
  5. Step 5: Solve for x
    x = 9,385,870,813.46/111,811.86
  6. Step 6: Final answer
    x = 83,943.43

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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.