Home / 71,772.23-107,549.18-34,280.67

Finding the Fourth Proportional to 71,772.23, 107,549.18 and 34,280.67

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Solution

The fourth proportional to 71,772.23, 107,549.18 and 34,280.67 is: 51,368.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,772.23 : 107,549.18 = 34,280.67 : x
  2. Step 2: Convert to fraction form
    71,772.23/107,549.18 = 34,280.67/x
  3. Step 3: Cross multiply
    71,772.23x = 107,549.18 × 34,280.67
  4. Step 4: Simplify right side
    71,772.23x = 3,686,857,776.95
  5. Step 5: Solve for x
    x = 3,686,857,776.95/71,772.23
  6. Step 6: Final answer
    x = 51,368.87

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1.5x scale

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.