Home / 105,971.10-158,811.93-53,416.14

Finding the Fourth Proportional to 105,971.10, 158,811.93 and 53,416.14

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Solution

The fourth proportional to 105,971.10, 158,811.93 and 53,416.14 is: 80,051.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,971.10 : 158,811.93 = 53,416.14 : x
  2. Step 2: Convert to fraction form
    105,971.10/158,811.93 = 53,416.14/x
  3. Step 3: Cross multiply
    105,971.10x = 158,811.93 × 53,416.14
  4. Step 4: Simplify right side
    105,971.10x = 8,483,120,286.55
  5. Step 5: Solve for x
    x = 8,483,120,286.55/105,971.10
  6. Step 6: Final answer
    x = 80,051.26

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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.