Home / 113,346.90-170,129.70-57,250.35

Finding the Fourth Proportional to 113,346.90, 170,129.70 and 57,250.35

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Solution

The fourth proportional to 113,346.90, 170,129.70 and 57,250.35 is: 85,930.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,346.90 : 170,129.70 = 57,250.35 : x
  2. Step 2: Convert to fraction form
    113,346.90/170,129.70 = 57,250.35/x
  3. Step 3: Cross multiply
    113,346.90x = 170,129.70 × 57,250.35
  4. Step 4: Simplify right side
    113,346.90x = 9,739,984,870.40
  5. Step 5: Solve for x
    x = 9,739,984,870.40/113,346.90
  6. Step 6: Final answer
    x = 85,930.76

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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.