Home / 113,435.75-170,258.87-57,315.29

Finding the Fourth Proportional to 113,435.75, 170,258.87 and 57,315.29

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Solution

The fourth proportional to 113,435.75, 170,258.87 and 57,315.29 is: 86,026.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,435.75 : 170,258.87 = 57,315.29 : x
  2. Step 2: Convert to fraction form
    113,435.75/170,258.87 = 57,315.29/x
  3. Step 3: Cross multiply
    113,435.75x = 170,258.87 × 57,315.29
  4. Step 4: Simplify right side
    113,435.75x = 9,758,436,222.55
  5. Step 5: Solve for x
    x = 9,758,436,222.55/113,435.75
  6. Step 6: Final answer
    x = 86,026.11

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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.