Home / 74,693.31-103,075.83-40,703.28

Finding the Fourth Proportional to 74,693.31, 103,075.83 and 40,703.28

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Solution

The fourth proportional to 74,693.31, 103,075.83 and 40,703.28 is: 56,170.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,693.31 : 103,075.83 = 40,703.28 : x
  2. Step 2: Convert to fraction form
    74,693.31/103,075.83 = 40,703.28/x
  3. Step 3: Cross multiply
    74,693.31x = 103,075.83 × 40,703.28
  4. Step 4: Simplify right side
    74,693.31x = 4,195,524,369.72
  5. Step 5: Solve for x
    x = 4,195,524,369.72/74,693.31
  6. Step 6: Final answer
    x = 56,170.02

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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.