Home / 66,390.48-91,591.44-46,259.04

Finding the Fourth Proportional to 66,390.48, 91,591.44 and 46,259.04

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Solution

The fourth proportional to 66,390.48, 91,591.44 and 46,259.04 is: 63,818.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,390.48 : 91,591.44 = 46,259.04 : x
  2. Step 2: Convert to fraction form
    66,390.48/91,591.44 = 46,259.04/x
  3. Step 3: Cross multiply
    66,390.48x = 91,591.44 × 46,259.04
  4. Step 4: Simplify right side
    66,390.48x = 4,236,932,086.62
  5. Step 5: Solve for x
    x = 4,236,932,086.62/66,390.48
  6. Step 6: Final answer
    x = 63,818.37

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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.