Home / 86,805.12-119,790.45-48,564.48

Finding the Fourth Proportional to 86,805.12, 119,790.45 and 48,564.48

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Solution

The fourth proportional to 86,805.12, 119,790.45 and 48,564.48 is: 67,018.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,805.12 : 119,790.45 = 48,564.48 : x
  2. Step 2: Convert to fraction form
    86,805.12/119,790.45 = 48,564.48/x
  3. Step 3: Cross multiply
    86,805.12x = 119,790.45 × 48,564.48
  4. Step 4: Simplify right side
    86,805.12x = 5,817,560,913.22
  5. Step 5: Solve for x
    x = 5,817,560,913.22/86,805.12
  6. Step 6: Final answer
    x = 67,018.64

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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.