Home / 86,570.31-119,466.56-48,327.65

Finding the Fourth Proportional to 86,570.31, 119,466.56 and 48,327.65

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Solution

The fourth proportional to 86,570.31, 119,466.56 and 48,327.65 is: 66,691.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,570.31 : 119,466.56 = 48,327.65 : x
  2. Step 2: Convert to fraction form
    86,570.31/119,466.56 = 48,327.65/x
  3. Step 3: Cross multiply
    86,570.31x = 119,466.56 × 48,327.65
  4. Step 4: Simplify right side
    86,570.31x = 5,773,537,259.41
  5. Step 5: Solve for x
    x = 5,773,537,259.41/86,570.31
  6. Step 6: Final answer
    x = 66,691.89

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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.