Home / 108,835.04-163,315.59-45,649.54

Finding the Fourth Proportional to 108,835.04, 163,315.59 and 45,649.54

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Solution

The fourth proportional to 108,835.04, 163,315.59 and 45,649.54 is: 68,500.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,835.04 : 163,315.59 = 45,649.54 : x
  2. Step 2: Convert to fraction form
    108,835.04/163,315.59 = 45,649.54/x
  3. Step 3: Cross multiply
    108,835.04x = 163,315.59 × 45,649.54
  4. Step 4: Simplify right side
    108,835.04x = 7,455,281,558.33
  5. Step 5: Solve for x
    x = 7,455,281,558.33/108,835.04
  6. Step 6: Final answer
    x = 68,500.75

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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.