Home / 86,064.13-118,779.63-48,338.38

Finding the Fourth Proportional to 86,064.13, 118,779.63 and 48,338.38

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Solution

The fourth proportional to 86,064.13, 118,779.63 and 48,338.38 is: 66,713.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,064.13 : 118,779.63 = 48,338.38 : x
  2. Step 2: Convert to fraction form
    86,064.13/118,779.63 = 48,338.38/x
  3. Step 3: Cross multiply
    86,064.13x = 118,779.63 × 48,338.38
  4. Step 4: Simplify right side
    86,064.13x = 5,741,614,297.30
  5. Step 5: Solve for x
    x = 5,741,614,297.30/86,064.13
  6. Step 6: Final answer
    x = 66,713.21

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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.