Home / 55,079.56-82,403.07-42,504.58

Finding the Fourth Proportional to 55,079.56, 82,403.07 and 42,504.58

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Solution

The fourth proportional to 55,079.56, 82,403.07 and 42,504.58 is: 63,589.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,079.56 : 82,403.07 = 42,504.58 : x
  2. Step 2: Convert to fraction form
    55,079.56/82,403.07 = 42,504.58/x
  3. Step 3: Cross multiply
    55,079.56x = 82,403.07 × 42,504.58
  4. Step 4: Simplify right side
    55,079.56x = 3,502,507,881.06
  5. Step 5: Solve for x
    x = 3,502,507,881.06/55,079.56
  6. Step 6: Final answer
    x = 63,589.98

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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.