Home / 108,966.37-163,695.60-64,622.21

Finding the Fourth Proportional to 108,966.37, 163,695.60 and 64,622.21

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Solution

The fourth proportional to 108,966.37, 163,695.60 and 64,622.21 is: 97,079.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,966.37 : 163,695.60 = 64,622.21 : x
  2. Step 2: Convert to fraction form
    108,966.37/163,695.60 = 64,622.21/x
  3. Step 3: Cross multiply
    108,966.37x = 163,695.60 × 64,622.21
  4. Step 4: Simplify right side
    108,966.37x = 10,578,370,620.80
  5. Step 5: Solve for x
    x = 10,578,370,620.80/108,966.37
  6. Step 6: Final answer
    x = 97,079.23

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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.