Home / 83,929.14-115,815.15-48,110.94

Finding the Fourth Proportional to 83,929.14, 115,815.15 and 48,110.94

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Solution

The fourth proportional to 83,929.14, 115,815.15 and 48,110.94 is: 66,389.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,929.14 : 115,815.15 = 48,110.94 : x
  2. Step 2: Convert to fraction form
    83,929.14/115,815.15 = 48,110.94/x
  3. Step 3: Cross multiply
    83,929.14x = 115,815.15 × 48,110.94
  4. Step 4: Simplify right side
    83,929.14x = 5,571,975,732.74
  5. Step 5: Solve for x
    x = 5,571,975,732.74/83,929.14
  6. Step 6: Final answer
    x = 66,389.05

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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.