Home / 58,174.40-87,243.10-18,722.32

Finding the Fourth Proportional to 58,174.40, 87,243.10 and 18,722.32

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Solution

The fourth proportional to 58,174.40, 87,243.10 and 18,722.32 is: 28,077.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,174.40 : 87,243.10 = 18,722.32 : x
  2. Step 2: Convert to fraction form
    58,174.40/87,243.10 = 18,722.32/x
  3. Step 3: Cross multiply
    58,174.40x = 87,243.10 × 18,722.32
  4. Step 4: Simplify right side
    58,174.40x = 1,633,393,235.99
  5. Step 5: Solve for x
    x = 1,633,393,235.99/58,174.40
  6. Step 6: Final answer
    x = 28,077.53

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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.