Home / 75,341.44-103,972.80-41,810.56

Finding the Fourth Proportional to 75,341.44, 103,972.80 and 41,810.56

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Solution

The fourth proportional to 75,341.44, 103,972.80 and 41,810.56 is: 57,699.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,341.44 : 103,972.80 = 41,810.56 : x
  2. Step 2: Convert to fraction form
    75,341.44/103,972.80 = 41,810.56/x
  3. Step 3: Cross multiply
    75,341.44x = 103,972.80 × 41,810.56
  4. Step 4: Simplify right side
    75,341.44x = 4,347,160,992.77
  5. Step 5: Solve for x
    x = 4,347,160,992.77/75,341.44
  6. Step 6: Final answer
    x = 57,699.47

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1.5x scale

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.