Home / 83,880.06-115,755.30-46,155.12

Finding the Fourth Proportional to 83,880.06, 115,755.30 and 46,155.12

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Solution

The fourth proportional to 83,880.06, 115,755.30 and 46,155.12 is: 63,694.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,880.06 : 115,755.30 = 46,155.12 : x
  2. Step 2: Convert to fraction form
    83,880.06/115,755.30 = 46,155.12/x
  3. Step 3: Cross multiply
    83,880.06x = 115,755.30 × 46,155.12
  4. Step 4: Simplify right side
    83,880.06x = 5,342,699,878.44
  5. Step 5: Solve for x
    x = 5,342,699,878.44/83,880.06
  6. Step 6: Final answer
    x = 63,694.51

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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.