Home / 74,743.56-112,170.96-35,312.76

Finding the Fourth Proportional to 74,743.56, 112,170.96 and 35,312.76

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Solution

The fourth proportional to 74,743.56, 112,170.96 and 35,312.76 is: 52,995.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,743.56 : 112,170.96 = 35,312.76 : x
  2. Step 2: Convert to fraction form
    74,743.56/112,170.96 = 35,312.76/x
  3. Step 3: Cross multiply
    74,743.56x = 112,170.96 × 35,312.76
  4. Step 4: Simplify right side
    74,743.56x = 3,961,066,189.45
  5. Step 5: Solve for x
    x = 3,961,066,189.45/74,743.56
  6. Step 6: Final answer
    x = 52,995.42

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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.