Home / 113,745.42-170,618.10-61,082.46

Finding the Fourth Proportional to 113,745.42, 170,618.10 and 61,082.46

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Solution

The fourth proportional to 113,745.42, 170,618.10 and 61,082.46 is: 91,623.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,745.42 : 170,618.10 = 61,082.46 : x
  2. Step 2: Convert to fraction form
    113,745.42/170,618.10 = 61,082.46/x
  3. Step 3: Cross multiply
    113,745.42x = 170,618.10 × 61,082.46
  4. Step 4: Simplify right side
    113,745.42x = 10,421,773,268.53
  5. Step 5: Solve for x
    x = 10,421,773,268.53/113,745.42
  6. Step 6: Final answer
    x = 91,623.67

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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.