Home / 87,020.23-130,530.46-23,840.91

Finding the Fourth Proportional to 87,020.23, 130,530.46 and 23,840.91

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Solution

The fourth proportional to 87,020.23, 130,530.46 and 23,840.91 is: 35,761.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,020.23 : 130,530.46 = 23,840.91 : x
  2. Step 2: Convert to fraction form
    87,020.23/130,530.46 = 23,840.91/x
  3. Step 3: Cross multiply
    87,020.23x = 130,530.46 × 23,840.91
  4. Step 4: Simplify right side
    87,020.23x = 3,111,964,949.12
  5. Step 5: Solve for x
    x = 3,111,964,949.12/87,020.23
  6. Step 6: Final answer
    x = 35,761.40

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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.