Home / 91,466.18-137,120.43-35,345.67

Finding the Fourth Proportional to 91,466.18, 137,120.43 and 35,345.67

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Solution

The fourth proportional to 91,466.18, 137,120.43 and 35,345.67 is: 52,988.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,466.18 : 137,120.43 = 35,345.67 : x
  2. Step 2: Convert to fraction form
    91,466.18/137,120.43 = 35,345.67/x
  3. Step 3: Cross multiply
    91,466.18x = 137,120.43 × 35,345.67
  4. Step 4: Simplify right side
    91,466.18x = 4,846,612,888.56
  5. Step 5: Solve for x
    x = 4,846,612,888.56/91,466.18
  6. Step 6: Final answer
    x = 52,988.03

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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.