Home / 55,720.68-83,577.93-40,743.15

Finding the Fourth Proportional to 55,720.68, 83,577.93 and 40,743.15

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Solution

The fourth proportional to 55,720.68, 83,577.93 and 40,743.15 is: 61,112.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,720.68 : 83,577.93 = 40,743.15 : x
  2. Step 2: Convert to fraction form
    55,720.68/83,577.93 = 40,743.15/x
  3. Step 3: Cross multiply
    55,720.68x = 83,577.93 × 40,743.15
  4. Step 4: Simplify right side
    55,720.68x = 3,405,228,142.60
  5. Step 5: Solve for x
    x = 3,405,228,142.60/55,720.68
  6. Step 6: Final answer
    x = 61,112.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.