Home / 111,092.22-153,303.48-63,360.95

Finding the Fourth Proportional to 111,092.22, 153,303.48 and 63,360.95

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Solution

The fourth proportional to 111,092.22, 153,303.48 and 63,360.95 is: 87,435.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,092.22 : 153,303.48 = 63,360.95 : x
  2. Step 2: Convert to fraction form
    111,092.22/153,303.48 = 63,360.95/x
  3. Step 3: Cross multiply
    111,092.22x = 153,303.48 × 63,360.95
  4. Step 4: Simplify right side
    111,092.22x = 9,713,453,431.04
  5. Step 5: Solve for x
    x = 9,713,453,431.04/111,092.22
  6. Step 6: Final answer
    x = 87,435.94

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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.