Home / 104,705.50-157,108.65-52,119.58

Finding the Fourth Proportional to 104,705.50, 157,108.65 and 52,119.58

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Solution

The fourth proportional to 104,705.50, 157,108.65 and 52,119.58 is: 78,204.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,705.50 : 157,108.65 = 52,119.58 : x
  2. Step 2: Convert to fraction form
    104,705.50/157,108.65 = 52,119.58/x
  3. Step 3: Cross multiply
    104,705.50x = 157,108.65 × 52,119.58
  4. Step 4: Simplify right side
    104,705.50x = 8,188,436,852.37
  5. Step 5: Solve for x
    x = 8,188,436,852.37/104,705.50
  6. Step 6: Final answer
    x = 78,204.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.