Home / 87,132.11-130,682.48-23,090.67

Finding the Fourth Proportional to 87,132.11, 130,682.48 and 23,090.67

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Solution

The fourth proportional to 87,132.11, 130,682.48 and 23,090.67 is: 34,631.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,132.11 : 130,682.48 = 23,090.67 : x
  2. Step 2: Convert to fraction form
    87,132.11/130,682.48 = 23,090.67/x
  3. Step 3: Cross multiply
    87,132.11x = 130,682.48 × 23,090.67
  4. Step 4: Simplify right side
    87,132.11x = 3,017,545,905.01
  5. Step 5: Solve for x
    x = 3,017,545,905.01/87,132.11
  6. Step 6: Final answer
    x = 34,631.85

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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.