Home / 115,886.09-173,856.09-35,919.81

Finding the Fourth Proportional to 115,886.09, 173,856.09 and 35,919.81

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Solution

The fourth proportional to 115,886.09, 173,856.09 and 35,919.81 is: 53,888.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,886.09 : 173,856.09 = 35,919.81 : x
  2. Step 2: Convert to fraction form
    115,886.09/173,856.09 = 35,919.81/x
  3. Step 3: Cross multiply
    115,886.09x = 173,856.09 × 35,919.81
  4. Step 4: Simplify right side
    115,886.09x = 6,244,878,372.10
  5. Step 5: Solve for x
    x = 6,244,878,372.10/115,886.09
  6. Step 6: Final answer
    x = 53,888.08

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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.