Home / 83,929.35-115,822.20-46,203.60

Finding the Fourth Proportional to 83,929.35, 115,822.20 and 46,203.60

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Solution

The fourth proportional to 83,929.35, 115,822.20 and 46,203.60 is: 63,760.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,929.35 : 115,822.20 = 46,203.60 : x
  2. Step 2: Convert to fraction form
    83,929.35/115,822.20 = 46,203.60/x
  3. Step 3: Cross multiply
    83,929.35x = 115,822.20 × 46,203.60
  4. Step 4: Simplify right side
    83,929.35x = 5,351,402,599.92
  5. Step 5: Solve for x
    x = 5,351,402,599.92/83,929.35
  6. Step 6: Final answer
    x = 63,760.80

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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.