Home / 87,143.95-130,713.22-24,814.45

Finding the Fourth Proportional to 87,143.95, 130,713.22 and 24,814.45

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Solution

The fourth proportional to 87,143.95, 130,713.22 and 24,814.45 is: 37,220.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,143.95 : 130,713.22 = 24,814.45 : x
  2. Step 2: Convert to fraction form
    87,143.95/130,713.22 = 24,814.45/x
  3. Step 3: Cross multiply
    87,143.95x = 130,713.22 × 24,814.45
  4. Step 4: Simplify right side
    87,143.95x = 3,243,576,662.03
  5. Step 5: Solve for x
    x = 3,243,576,662.03/87,143.95
  6. Step 6: Final answer
    x = 37,220.90

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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.