Home / 84,795.32-117,038.82-49,006.20

Finding the Fourth Proportional to 84,795.32, 117,038.82 and 49,006.20

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Solution

The fourth proportional to 84,795.32, 117,038.82 and 49,006.20 is: 67,640.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,795.32 : 117,038.82 = 49,006.20 : x
  2. Step 2: Convert to fraction form
    84,795.32/117,038.82 = 49,006.20/x
  3. Step 3: Cross multiply
    84,795.32x = 117,038.82 × 49,006.20
  4. Step 4: Simplify right side
    84,795.32x = 5,735,627,820.68
  5. Step 5: Solve for x
    x = 5,735,627,820.68/84,795.32
  6. Step 6: Final answer
    x = 67,640.85

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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.