Home / 74,795.03-112,213.65-30,453.60

Finding the Fourth Proportional to 74,795.03, 112,213.65 and 30,453.60

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Solution

The fourth proportional to 74,795.03, 112,213.65 and 30,453.60 is: 45,689.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,795.03 : 112,213.65 = 30,453.60 : x
  2. Step 2: Convert to fraction form
    74,795.03/112,213.65 = 30,453.60/x
  3. Step 3: Cross multiply
    74,795.03x = 112,213.65 × 30,453.60
  4. Step 4: Simplify right side
    74,795.03x = 3,417,310,146.64
  5. Step 5: Solve for x
    x = 3,417,310,146.64/74,795.03
  6. Step 6: Final answer
    x = 45,689.00

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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.