Home / 83,518.06-115,257.66-45,792.32

Finding the Fourth Proportional to 83,518.06, 115,257.66 and 45,792.32

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Solution

The fourth proportional to 83,518.06, 115,257.66 and 45,792.32 is: 63,194.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,518.06 : 115,257.66 = 45,792.32 : x
  2. Step 2: Convert to fraction form
    83,518.06/115,257.66 = 45,792.32/x
  3. Step 3: Cross multiply
    83,518.06x = 115,257.66 × 45,792.32
  4. Step 4: Simplify right side
    83,518.06x = 5,277,915,649.17
  5. Step 5: Solve for x
    x = 5,277,915,649.17/83,518.06
  6. Step 6: Final answer
    x = 63,194.90

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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.