Home / 108,317.80-162,402.54-57,724.36

Finding the Fourth Proportional to 108,317.80, 162,402.54 and 57,724.36

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Solution

The fourth proportional to 108,317.80, 162,402.54 and 57,724.36 is: 86,547.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,317.80 : 162,402.54 = 57,724.36 : x
  2. Step 2: Convert to fraction form
    108,317.80/162,402.54 = 57,724.36/x
  3. Step 3: Cross multiply
    108,317.80x = 162,402.54 × 57,724.36
  4. Step 4: Simplify right side
    108,317.80x = 9,374,582,683.87
  5. Step 5: Solve for x
    x = 9,374,582,683.87/108,317.80
  6. Step 6: Final answer
    x = 86,547.02

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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.