Home / 58,235.85-87,374.27-28,674.45

Finding the Fourth Proportional to 58,235.85, 87,374.27 and 28,674.45

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Solution

The fourth proportional to 58,235.85, 87,374.27 and 28,674.45 is: 43,021.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,235.85 : 87,374.27 = 28,674.45 : x
  2. Step 2: Convert to fraction form
    58,235.85/87,374.27 = 28,674.45/x
  3. Step 3: Cross multiply
    58,235.85x = 87,374.27 × 28,674.45
  4. Step 4: Simplify right side
    58,235.85x = 2,505,409,208.09
  5. Step 5: Solve for x
    x = 2,505,409,208.09/58,235.85
  6. Step 6: Final answer
    x = 43,021.77

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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.