Home / 86,653.15-119,577.06-48,405.11

Finding the Fourth Proportional to 86,653.15, 119,577.06 and 48,405.11

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Solution

The fourth proportional to 86,653.15, 119,577.06 and 48,405.11 is: 66,796.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,653.15 : 119,577.06 = 48,405.11 : x
  2. Step 2: Convert to fraction form
    86,653.15/119,577.06 = 48,405.11/x
  3. Step 3: Cross multiply
    86,653.15x = 119,577.06 × 48,405.11
  4. Step 4: Simplify right side
    86,653.15x = 5,788,140,742.78
  5. Step 5: Solve for x
    x = 5,788,140,742.78/86,653.15
  6. Step 6: Final answer
    x = 66,796.66

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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.