Home / 75,680.81-113,520.90-23,090.12

Finding the Fourth Proportional to 75,680.81, 113,520.90 and 23,090.12

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Solution

The fourth proportional to 75,680.81, 113,520.90 and 23,090.12 is: 34,635.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,680.81 : 113,520.90 = 23,090.12 : x
  2. Step 2: Convert to fraction form
    75,680.81/113,520.90 = 23,090.12/x
  3. Step 3: Cross multiply
    75,680.81x = 113,520.90 × 23,090.12
  4. Step 4: Simplify right side
    75,680.81x = 2,621,211,203.51
  5. Step 5: Solve for x
    x = 2,621,211,203.51/75,680.81
  6. Step 6: Final answer
    x = 34,635.08

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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.