Home / 75,083.09-103,640.58-43,264.67

Finding the Fourth Proportional to 75,083.09, 103,640.58 and 43,264.67

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Solution

The fourth proportional to 75,083.09, 103,640.58 and 43,264.67 is: 59,720.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,083.09 : 103,640.58 = 43,264.67 : x
  2. Step 2: Convert to fraction form
    75,083.09/103,640.58 = 43,264.67/x
  3. Step 3: Cross multiply
    75,083.09x = 103,640.58 × 43,264.67
  4. Step 4: Simplify right side
    75,083.09x = 4,483,974,974.11
  5. Step 5: Solve for x
    x = 4,483,974,974.11/75,083.09
  6. Step 6: Final answer
    x = 59,720.17

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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.