Home / 111,104.41-153,333.66-63,359.77

Finding the Fourth Proportional to 111,104.41, 153,333.66 and 63,359.77

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Solution

The fourth proportional to 111,104.41, 153,333.66 and 63,359.77 is: 87,441.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,104.41 : 153,333.66 = 63,359.77 : x
  2. Step 2: Convert to fraction form
    111,104.41/153,333.66 = 63,359.77/x
  3. Step 3: Cross multiply
    111,104.41x = 153,333.66 × 63,359.77
  4. Step 4: Simplify right side
    111,104.41x = 9,715,185,430.86
  5. Step 5: Solve for x
    x = 9,715,185,430.86/111,104.41
  6. Step 6: Final answer
    x = 87,441.94

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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.