Home / 75,746.61-104,530.31-41,755.67

Finding the Fourth Proportional to 75,746.61, 104,530.31 and 41,755.67

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Solution

The fourth proportional to 75,746.61, 104,530.31 and 41,755.67 is: 57,622.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,746.61 : 104,530.31 = 41,755.67 : x
  2. Step 2: Convert to fraction form
    75,746.61/104,530.31 = 41,755.67/x
  3. Step 3: Cross multiply
    75,746.61x = 104,530.31 × 41,755.67
  4. Step 4: Simplify right side
    75,746.61x = 4,364,732,397.93
  5. Step 5: Solve for x
    x = 4,364,732,397.93/75,746.61
  6. Step 6: Final answer
    x = 57,622.81

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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.