Home / 108,669.90-163,085.85-56,052.30

Finding the Fourth Proportional to 108,669.90, 163,085.85 and 56,052.30

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Solution

The fourth proportional to 108,669.90, 163,085.85 and 56,052.30 is: 84,120.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,669.90 : 163,085.85 = 56,052.30 : x
  2. Step 2: Convert to fraction form
    108,669.90/163,085.85 = 56,052.30/x
  3. Step 3: Cross multiply
    108,669.90x = 163,085.85 × 56,052.30
  4. Step 4: Simplify right side
    108,669.90x = 9,141,336,989.96
  5. Step 5: Solve for x
    x = 9,141,336,989.96/108,669.90
  6. Step 6: Final answer
    x = 84,120.23

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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.