Home / 109,403.42-164,090.54-30,511.04

Finding the Fourth Proportional to 109,403.42, 164,090.54 and 30,511.04

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Solution

The fourth proportional to 109,403.42, 164,090.54 and 30,511.04 is: 45,762.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,403.42 : 164,090.54 = 30,511.04 : x
  2. Step 2: Convert to fraction form
    109,403.42/164,090.54 = 30,511.04/x
  3. Step 3: Cross multiply
    109,403.42x = 164,090.54 × 30,511.04
  4. Step 4: Simplify right side
    109,403.42x = 5,006,572,056.55
  5. Step 5: Solve for x
    x = 5,006,572,056.55/109,403.42
  6. Step 6: Final answer
    x = 45,762.48

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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.