Home / 74,706.04-112,090.56-30,321.28

Finding the Fourth Proportional to 74,706.04, 112,090.56 and 30,321.28

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Solution

The fourth proportional to 74,706.04, 112,090.56 and 30,321.28 is: 45,494.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,706.04 : 112,090.56 = 30,321.28 : x
  2. Step 2: Convert to fraction form
    74,706.04/112,090.56 = 30,321.28/x
  3. Step 3: Cross multiply
    74,706.04x = 112,090.56 × 30,321.28
  4. Step 4: Simplify right side
    74,706.04x = 3,398,729,255.12
  5. Step 5: Solve for x
    x = 3,398,729,255.12/74,706.04
  6. Step 6: Final answer
    x = 45,494.71

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1.5x scale

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.