Home / 86,545.62-119,438.95-48,312.67

Finding the Fourth Proportional to 86,545.62, 119,438.95 and 48,312.67

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Solution

The fourth proportional to 86,545.62, 119,438.95 and 48,312.67 is: 66,674.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,545.62 : 119,438.95 = 48,312.67 : x
  2. Step 2: Convert to fraction form
    86,545.62/119,438.95 = 48,312.67/x
  3. Step 3: Cross multiply
    86,545.62x = 119,438.95 × 48,312.67
  4. Step 4: Simplify right side
    86,545.62x = 5,770,414,576.50
  5. Step 5: Solve for x
    x = 5,770,414,576.50/86,545.62
  6. Step 6: Final answer
    x = 66,674.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.