Home / 86,675.41-119,609.79-48,435.28

Finding the Fourth Proportional to 86,675.41, 119,609.79 and 48,435.28

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Solution

The fourth proportional to 86,675.41, 119,609.79 and 48,435.28 is: 66,839.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,675.41 : 119,609.79 = 48,435.28 : x
  2. Step 2: Convert to fraction form
    86,675.41/119,609.79 = 48,435.28/x
  3. Step 3: Cross multiply
    86,675.41x = 119,609.79 × 48,435.28
  4. Step 4: Simplify right side
    86,675.41x = 5,793,333,669.39
  5. Step 5: Solve for x
    x = 5,793,333,669.39/86,675.41
  6. Step 6: Final answer
    x = 66,839.41

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1.5x scale

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.