Home / 104,055.49-143,596.70-56,308.84

Finding the Fourth Proportional to 104,055.49, 143,596.70 and 56,308.84

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Solution

The fourth proportional to 104,055.49, 143,596.70 and 56,308.84 is: 77,706.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,055.49 : 143,596.70 = 56,308.84 : x
  2. Step 2: Convert to fraction form
    104,055.49/143,596.70 = 56,308.84/x
  3. Step 3: Cross multiply
    104,055.49x = 143,596.70 × 56,308.84
  4. Step 4: Simplify right side
    104,055.49x = 8,085,763,604.83
  5. Step 5: Solve for x
    x = 8,085,763,604.83/104,055.49
  6. Step 6: Final answer
    x = 77,706.27

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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.