Home / 88,140.51-132,230.34-28,973.79

Finding the Fourth Proportional to 88,140.51, 132,230.34 and 28,973.79

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Solution

The fourth proportional to 88,140.51, 132,230.34 and 28,973.79 is: 43,467.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,140.51 : 132,230.34 = 28,973.79 : x
  2. Step 2: Convert to fraction form
    88,140.51/132,230.34 = 28,973.79/x
  3. Step 3: Cross multiply
    88,140.51x = 132,230.34 × 28,973.79
  4. Step 4: Simplify right side
    88,140.51x = 3,831,214,102.79
  5. Step 5: Solve for x
    x = 3,831,214,102.79/88,140.51
  6. Step 6: Final answer
    x = 43,467.12

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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.