Home / 55,439.85-76,485.27-34,182.21

Finding the Fourth Proportional to 55,439.85, 76,485.27 and 34,182.21

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Solution

The fourth proportional to 55,439.85, 76,485.27 and 34,182.21 is: 47,158.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,439.85 : 76,485.27 = 34,182.21 : x
  2. Step 2: Convert to fraction form
    55,439.85/76,485.27 = 34,182.21/x
  3. Step 3: Cross multiply
    55,439.85x = 76,485.27 × 34,182.21
  4. Step 4: Simplify right side
    55,439.85x = 2,614,435,561.05
  5. Step 5: Solve for x
    x = 2,614,435,561.05/55,439.85
  6. Step 6: Final answer
    x = 47,158.06

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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.