Home / 68,106.09-94,032.71-42,622.78

Finding the Fourth Proportional to 68,106.09, 94,032.71 and 42,622.78

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Solution

The fourth proportional to 68,106.09, 94,032.71 and 42,622.78 is: 58,848.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,106.09 : 94,032.71 = 42,622.78 : x
  2. Step 2: Convert to fraction form
    68,106.09/94,032.71 = 42,622.78/x
  3. Step 3: Cross multiply
    68,106.09x = 94,032.71 × 42,622.78
  4. Step 4: Simplify right side
    68,106.09x = 4,007,935,511.13
  5. Step 5: Solve for x
    x = 4,007,935,511.13/68,106.09
  6. Step 6: Final answer
    x = 58,848.42

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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.