Home / 56,861.06-78,462.92-54,950.19

Finding the Fourth Proportional to 56,861.06, 78,462.92 and 54,950.19

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Solution

The fourth proportional to 56,861.06, 78,462.92 and 54,950.19 is: 75,826.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,861.06 : 78,462.92 = 54,950.19 : x
  2. Step 2: Convert to fraction form
    56,861.06/78,462.92 = 54,950.19/x
  3. Step 3: Cross multiply
    56,861.06x = 78,462.92 × 54,950.19
  4. Step 4: Simplify right side
    56,861.06x = 4,311,552,087.20
  5. Step 5: Solve for x
    x = 4,311,552,087.20/56,861.06
  6. Step 6: Final answer
    x = 75,826.10

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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.