Home / 79,364.40-109,526.75-43,554.03

Finding the Fourth Proportional to 79,364.40, 109,526.75 and 43,554.03

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Solution

The fourth proportional to 79,364.40, 109,526.75 and 43,554.03 is: 60,106.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,364.40 : 109,526.75 = 43,554.03 : x
  2. Step 2: Convert to fraction form
    79,364.40/109,526.75 = 43,554.03/x
  3. Step 3: Cross multiply
    79,364.40x = 109,526.75 × 43,554.03
  4. Step 4: Simplify right side
    79,364.40x = 4,770,331,355.30
  5. Step 5: Solve for x
    x = 4,770,331,355.30/79,364.40
  6. Step 6: Final answer
    x = 60,106.69

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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.