Home / 75,431.82-104,110.53-49,938.66

Finding the Fourth Proportional to 75,431.82, 104,110.53 and 49,938.66

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Solution

The fourth proportional to 75,431.82, 104,110.53 and 49,938.66 is: 68,925.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,431.82 : 104,110.53 = 49,938.66 : x
  2. Step 2: Convert to fraction form
    75,431.82/104,110.53 = 49,938.66/x
  3. Step 3: Cross multiply
    75,431.82x = 104,110.53 × 49,938.66
  4. Step 4: Simplify right side
    75,431.82x = 5,199,140,360.09
  5. Step 5: Solve for x
    x = 5,199,140,360.09/75,431.82
  6. Step 6: Final answer
    x = 68,925.03

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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.