Home / 58,305.06-87,460.32-18,865.26

Finding the Fourth Proportional to 58,305.06, 87,460.32 and 18,865.26

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Solution

The fourth proportional to 58,305.06, 87,460.32 and 18,865.26 is: 28,298.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,305.06 : 87,460.32 = 18,865.26 : x
  2. Step 2: Convert to fraction form
    58,305.06/87,460.32 = 18,865.26/x
  3. Step 3: Cross multiply
    58,305.06x = 87,460.32 × 18,865.26
  4. Step 4: Simplify right side
    58,305.06x = 1,649,961,676.48
  5. Step 5: Solve for x
    x = 1,649,961,676.48/58,305.06
  6. Step 6: Final answer
    x = 28,298.77

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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.