Home / 74,697.22-112,043.58-30,322.90

Finding the Fourth Proportional to 74,697.22, 112,043.58 and 30,322.90

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Solution

The fourth proportional to 74,697.22, 112,043.58 and 30,322.90 is: 45,483.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,697.22 : 112,043.58 = 30,322.90 : x
  2. Step 2: Convert to fraction form
    74,697.22/112,043.58 = 30,322.90/x
  3. Step 3: Cross multiply
    74,697.22x = 112,043.58 × 30,322.90
  4. Step 4: Simplify right side
    74,697.22x = 3,397,486,271.98
  5. Step 5: Solve for x
    x = 3,397,486,271.98/74,697.22
  6. Step 6: Final answer
    x = 45,483.44

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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.