Home / 100,703.22-151,045.08-30,583.14

Finding the Fourth Proportional to 100,703.22, 151,045.08 and 30,583.14

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Solution

The fourth proportional to 100,703.22, 151,045.08 and 30,583.14 is: 45,871.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,703.22 : 151,045.08 = 30,583.14 : x
  2. Step 2: Convert to fraction form
    100,703.22/151,045.08 = 30,583.14/x
  3. Step 3: Cross multiply
    100,703.22x = 151,045.08 × 30,583.14
  4. Step 4: Simplify right side
    100,703.22x = 4,619,432,827.95
  5. Step 5: Solve for x
    x = 4,619,432,827.95/100,703.22
  6. Step 6: Final answer
    x = 45,871.75

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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.