Home / 86,581.63-119,481.48-48,341.77

Finding the Fourth Proportional to 86,581.63, 119,481.48 and 48,341.77

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Solution

The fourth proportional to 86,581.63, 119,481.48 and 48,341.77 is: 66,710.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,581.63 : 119,481.48 = 48,341.77 : x
  2. Step 2: Convert to fraction form
    86,581.63/119,481.48 = 48,341.77/x
  3. Step 3: Cross multiply
    86,581.63x = 119,481.48 × 48,341.77
  4. Step 4: Simplify right side
    86,581.63x = 5,775,945,962.64
  5. Step 5: Solve for x
    x = 5,775,945,962.64/86,581.63
  6. Step 6: Final answer
    x = 66,710.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.