Home / 56,786.06-78,291.98-46,539.38

Finding the Fourth Proportional to 56,786.06, 78,291.98 and 46,539.38

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Solution

The fourth proportional to 56,786.06, 78,291.98 and 46,539.38 is: 64,164.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,786.06 : 78,291.98 = 46,539.38 : x
  2. Step 2: Convert to fraction form
    56,786.06/78,291.98 = 46,539.38/x
  3. Step 3: Cross multiply
    56,786.06x = 78,291.98 × 46,539.38
  4. Step 4: Simplify right side
    56,786.06x = 3,643,660,167.12
  5. Step 5: Solve for x
    x = 3,643,660,167.12/56,786.06
  6. Step 6: Final answer
    x = 64,164.69

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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.