Home / 79,362.51-109,521.09-43,554.84

Finding the Fourth Proportional to 79,362.51, 109,521.09 and 43,554.84

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Solution

The fourth proportional to 79,362.51, 109,521.09 and 43,554.84 is: 60,106.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,362.51 : 109,521.09 = 43,554.84 : x
  2. Step 2: Convert to fraction form
    79,362.51/109,521.09 = 43,554.84/x
  3. Step 3: Cross multiply
    79,362.51x = 109,521.09 × 43,554.84
  4. Step 4: Simplify right side
    79,362.51x = 4,770,173,551.58
  5. Step 5: Solve for x
    x = 4,770,173,551.58/79,362.51
  6. Step 6: Final answer
    x = 60,106.13

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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.