Home / 82,347.50-123,518.96-26,190.98

Finding the Fourth Proportional to 82,347.50, 123,518.96 and 26,190.98

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Solution

The fourth proportional to 82,347.50, 123,518.96 and 26,190.98 is: 39,285.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,347.50 : 123,518.96 = 26,190.98 : x
  2. Step 2: Convert to fraction form
    82,347.50/123,518.96 = 26,190.98/x
  3. Step 3: Cross multiply
    82,347.50x = 123,518.96 × 26,190.98
  4. Step 4: Simplify right side
    82,347.50x = 3,235,082,423.84
  5. Step 5: Solve for x
    x = 3,235,082,423.84/82,347.50
  6. Step 6: Final answer
    x = 39,285.74

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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.