Home / 108,723.51-162,927.87-74,954.87

Finding the Fourth Proportional to 108,723.51, 162,927.87 and 74,954.87

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Solution

The fourth proportional to 108,723.51, 162,927.87 and 74,954.87 is: 112,323.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,723.51 : 162,927.87 = 74,954.87 : x
  2. Step 2: Convert to fraction form
    108,723.51/162,927.87 = 74,954.87/x
  3. Step 3: Cross multiply
    108,723.51x = 162,927.87 × 74,954.87
  4. Step 4: Simplify right side
    108,723.51x = 12,212,237,315.23
  5. Step 5: Solve for x
    x = 12,212,237,315.23/108,723.51
  6. Step 6: Final answer
    x = 112,323.80

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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.