Home / 111,105.41-153,335.04-63,360.77

Finding the Fourth Proportional to 111,105.41, 153,335.04 and 63,360.77

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Solution

The fourth proportional to 111,105.41, 153,335.04 and 63,360.77 is: 87,443.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,105.41 : 153,335.04 = 63,360.77 : x
  2. Step 2: Convert to fraction form
    111,105.41/153,335.04 = 63,360.77/x
  3. Step 3: Cross multiply
    111,105.41x = 153,335.04 × 63,360.77
  4. Step 4: Simplify right side
    111,105.41x = 9,715,426,202.38
  5. Step 5: Solve for x
    x = 9,715,426,202.38/111,105.41
  6. Step 6: Final answer
    x = 87,443.32

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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.