Home / 115,924.70-173,887.05-71,407.10

Finding the Fourth Proportional to 115,924.70, 173,887.05 and 71,407.10

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Solution

The fourth proportional to 115,924.70, 173,887.05 and 71,407.10 is: 107,110.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,924.70 : 173,887.05 = 71,407.10 : x
  2. Step 2: Convert to fraction form
    115,924.70/173,887.05 = 71,407.10/x
  3. Step 3: Cross multiply
    115,924.70x = 173,887.05 × 71,407.10
  4. Step 4: Simplify right side
    115,924.70x = 12,416,769,968.06
  5. Step 5: Solve for x
    x = 12,416,769,968.06/115,924.70
  6. Step 6: Final answer
    x = 107,110.65

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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.