Home / 74,953.22-112,374.20-45,364.01

Finding the Fourth Proportional to 74,953.22, 112,374.20 and 45,364.01

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Solution

The fourth proportional to 74,953.22, 112,374.20 and 45,364.01 is: 68,012.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,953.22 : 112,374.20 = 45,364.01 : x
  2. Step 2: Convert to fraction form
    74,953.22/112,374.20 = 45,364.01/x
  3. Step 3: Cross multiply
    74,953.22x = 112,374.20 × 45,364.01
  4. Step 4: Simplify right side
    74,953.22x = 5,097,743,884.08
  5. Step 5: Solve for x
    x = 5,097,743,884.08/74,953.22
  6. Step 6: Final answer
    x = 68,012.34

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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.