Home / 74,872.06-103,323.75-40,881.29

Finding the Fourth Proportional to 74,872.06, 103,323.75 and 40,881.29

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Solution

The fourth proportional to 74,872.06, 103,323.75 and 40,881.29 is: 56,416.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,872.06 : 103,323.75 = 40,881.29 : x
  2. Step 2: Convert to fraction form
    74,872.06/103,323.75 = 40,881.29/x
  3. Step 3: Cross multiply
    74,872.06x = 103,323.75 × 40,881.29
  4. Step 4: Simplify right side
    74,872.06x = 4,224,008,764.76
  5. Step 5: Solve for x
    x = 4,224,008,764.76/74,872.06
  6. Step 6: Final answer
    x = 56,416.36

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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.