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Finding the Fourth Proportional to 82,348.31, 113,640.67 and 44,622.56

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Solution

The fourth proportional to 82,348.31, 113,640.67 and 44,622.56 is: 61,579.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,348.31 : 113,640.67 = 44,622.56 : x
  2. Step 2: Convert to fraction form
    82,348.31/113,640.67 = 44,622.56/x
  3. Step 3: Cross multiply
    82,348.31x = 113,640.67 × 44,622.56
  4. Step 4: Simplify right side
    82,348.31x = 5,070,937,955.40
  5. Step 5: Solve for x
    x = 5,070,937,955.40/82,348.31
  6. Step 6: Final answer
    x = 61,579.14

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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.