Home / 111,496.19-153,869.42-63,749.52

Finding the Fourth Proportional to 111,496.19, 153,869.42 and 63,749.52

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Solution

The fourth proportional to 111,496.19, 153,869.42 and 63,749.52 is: 87,977.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,496.19 : 153,869.42 = 63,749.52 : x
  2. Step 2: Convert to fraction form
    111,496.19/153,869.42 = 63,749.52/x
  3. Step 3: Cross multiply
    111,496.19x = 153,869.42 × 63,749.52
  4. Step 4: Simplify right side
    111,496.19x = 9,809,101,827.05
  5. Step 5: Solve for x
    x = 9,809,101,827.05/111,496.19
  6. Step 6: Final answer
    x = 87,977.02

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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.