Home / 58,319.66-87,493.37-18,876.77

Finding the Fourth Proportional to 58,319.66, 87,493.37 and 18,876.77

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Solution

The fourth proportional to 58,319.66, 87,493.37 and 18,876.77 is: 28,319.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,319.66 : 87,493.37 = 18,876.77 : x
  2. Step 2: Convert to fraction form
    58,319.66/87,493.37 = 18,876.77/x
  3. Step 3: Cross multiply
    58,319.66x = 87,493.37 × 18,876.77
  4. Step 4: Simplify right side
    58,319.66x = 1,651,591,690.16
  5. Step 5: Solve for x
    x = 1,651,591,690.16/58,319.66
  6. Step 6: Final answer
    x = 28,319.64

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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.