Home / 86,064.38-118,779.98-48,338.63

Finding the Fourth Proportional to 86,064.38, 118,779.98 and 48,338.63

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Solution

The fourth proportional to 86,064.38, 118,779.98 and 48,338.63 is: 66,713.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,064.38 : 118,779.98 = 48,338.63 : x
  2. Step 2: Convert to fraction form
    86,064.38/118,779.98 = 48,338.63/x
  3. Step 3: Cross multiply
    86,064.38x = 118,779.98 × 48,338.63
  4. Step 4: Simplify right side
    86,064.38x = 5,741,660,669.03
  5. Step 5: Solve for x
    x = 5,741,660,669.03/86,064.38
  6. Step 6: Final answer
    x = 66,713.56

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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.