Home / 89,278.82-123,210.23-59,011.67

Finding the Fourth Proportional to 89,278.82, 123,210.23 and 59,011.67

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Solution

The fourth proportional to 89,278.82, 123,210.23 and 59,011.67 is: 81,439.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,278.82 : 123,210.23 = 59,011.67 : x
  2. Step 2: Convert to fraction form
    89,278.82/123,210.23 = 59,011.67/x
  3. Step 3: Cross multiply
    89,278.82x = 123,210.23 × 59,011.67
  4. Step 4: Simplify right side
    89,278.82x = 7,270,840,522.27
  5. Step 5: Solve for x
    x = 7,270,840,522.27/89,278.82
  6. Step 6: Final answer
    x = 81,439.71

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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.