Home / 110,428.08-165,512.52-57,862.32

Finding the Fourth Proportional to 110,428.08, 165,512.52 and 57,862.32

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Solution

The fourth proportional to 110,428.08, 165,512.52 and 57,862.32 is: 86,725.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,428.08 : 165,512.52 = 57,862.32 : x
  2. Step 2: Convert to fraction form
    110,428.08/165,512.52 = 57,862.32/x
  3. Step 3: Cross multiply
    110,428.08x = 165,512.52 × 57,862.32
  4. Step 4: Simplify right side
    110,428.08x = 9,576,938,396.25
  5. Step 5: Solve for x
    x = 9,576,938,396.25/110,428.08
  6. Step 6: Final answer
    x = 86,725.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.