Home / 108,889.86-163,292.60-42,321.26

Finding the Fourth Proportional to 108,889.86, 163,292.60 and 42,321.26

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Solution

The fourth proportional to 108,889.86, 163,292.60 and 42,321.26 is: 63,465.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,889.86 : 163,292.60 = 42,321.26 : x
  2. Step 2: Convert to fraction form
    108,889.86/163,292.60 = 42,321.26/x
  3. Step 3: Cross multiply
    108,889.86x = 163,292.60 × 42,321.26
  4. Step 4: Simplify right side
    108,889.86x = 6,910,748,580.68
  5. Step 5: Solve for x
    x = 6,910,748,580.68/108,889.86
  6. Step 6: Final answer
    x = 63,465.49

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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.