Home / 75,072.56-103,637.62-43,235.31

Finding the Fourth Proportional to 75,072.56, 103,637.62 and 43,235.31

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Solution

The fourth proportional to 75,072.56, 103,637.62 and 43,235.31 is: 59,686.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,072.56 : 103,637.62 = 43,235.31 : x
  2. Step 2: Convert to fraction form
    75,072.56/103,637.62 = 43,235.31/x
  3. Step 3: Cross multiply
    75,072.56x = 103,637.62 × 43,235.31
  4. Step 4: Simplify right side
    75,072.56x = 4,480,804,628.36
  5. Step 5: Solve for x
    x = 4,480,804,628.36/75,072.56
  6. Step 6: Final answer
    x = 59,686.32

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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.