Home / 58,704.24-87,990.12-29,143.20

Finding the Fourth Proportional to 58,704.24, 87,990.12 and 29,143.20

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Solution

The fourth proportional to 58,704.24, 87,990.12 and 29,143.20 is: 43,681.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,704.24 : 87,990.12 = 29,143.20 : x
  2. Step 2: Convert to fraction form
    58,704.24/87,990.12 = 29,143.20/x
  3. Step 3: Cross multiply
    58,704.24x = 87,990.12 × 29,143.20
  4. Step 4: Simplify right side
    58,704.24x = 2,564,313,665.18
  5. Step 5: Solve for x
    x = 2,564,313,665.18/58,704.24
  6. Step 6: Final answer
    x = 43,681.92

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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.