Home / 74,677.49-112,004.07-30,302.45

Finding the Fourth Proportional to 74,677.49, 112,004.07 and 30,302.45

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Solution

The fourth proportional to 74,677.49, 112,004.07 and 30,302.45 is: 45,448.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,677.49 : 112,004.07 = 30,302.45 : x
  2. Step 2: Convert to fraction form
    74,677.49/112,004.07 = 30,302.45/x
  3. Step 3: Cross multiply
    74,677.49x = 112,004.07 × 30,302.45
  4. Step 4: Simplify right side
    74,677.49x = 3,393,997,170.95
  5. Step 5: Solve for x
    x = 3,393,997,170.95/74,677.49
  6. Step 6: Final answer
    x = 45,448.73

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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.