Home / 56,836.15-78,433.72-32,976.79

Finding the Fourth Proportional to 56,836.15, 78,433.72 and 32,976.79

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Solution

The fourth proportional to 56,836.15, 78,433.72 and 32,976.79 is: 45,507.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,836.15 : 78,433.72 = 32,976.79 : x
  2. Step 2: Convert to fraction form
    56,836.15/78,433.72 = 32,976.79/x
  3. Step 3: Cross multiply
    56,836.15x = 78,433.72 × 32,976.79
  4. Step 4: Simplify right side
    56,836.15x = 2,586,492,313.36
  5. Step 5: Solve for x
    x = 2,586,492,313.36/56,836.15
  6. Step 6: Final answer
    x = 45,507.87

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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.