Home / 115,863.12-173,637.48-49,219.68

Finding the Fourth Proportional to 115,863.12, 173,637.48 and 49,219.68

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Solution

The fourth proportional to 115,863.12, 173,637.48 and 49,219.68 is: 73,762.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,863.12 : 173,637.48 = 49,219.68 : x
  2. Step 2: Convert to fraction form
    115,863.12/173,637.48 = 49,219.68/x
  3. Step 3: Cross multiply
    115,863.12x = 173,637.48 × 49,219.68
  4. Step 4: Simplify right side
    115,863.12x = 8,546,381,201.61
  5. Step 5: Solve for x
    x = 8,546,381,201.61/115,863.12
  6. Step 6: Final answer
    x = 73,762.74

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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.