Home / 111,497.31-153,876.86-63,741.33

Finding the Fourth Proportional to 111,497.31, 153,876.86 and 63,741.33

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Solution

The fourth proportional to 111,497.31, 153,876.86 and 63,741.33 is: 87,969.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,497.31 : 153,876.86 = 63,741.33 : x
  2. Step 2: Convert to fraction form
    111,497.31/153,876.86 = 63,741.33/x
  3. Step 3: Cross multiply
    111,497.31x = 153,876.86 × 63,741.33
  4. Step 4: Simplify right side
    111,497.31x = 9,808,315,712.62
  5. Step 5: Solve for x
    x = 9,808,315,712.62/111,497.31
  6. Step 6: Final answer
    x = 87,969.08

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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.