Home / 75,019.15-103,539.16-43,206.47

Finding the Fourth Proportional to 75,019.15, 103,539.16 and 43,206.47

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Solution

The fourth proportional to 75,019.15, 103,539.16 and 43,206.47 is: 59,632.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,019.15 : 103,539.16 = 43,206.47 : x
  2. Step 2: Convert to fraction form
    75,019.15/103,539.16 = 43,206.47/x
  3. Step 3: Cross multiply
    75,019.15x = 103,539.16 × 43,206.47
  4. Step 4: Simplify right side
    75,019.15x = 4,473,561,610.37
  5. Step 5: Solve for x
    x = 4,473,561,610.37/75,019.15
  6. Step 6: Final answer
    x = 59,632.26

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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.