Home / 56,713.80-85,123.27-28,653.62

Finding the Fourth Proportional to 56,713.80, 85,123.27 and 28,653.62

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Solution

The fourth proportional to 56,713.80, 85,123.27 and 28,653.62 is: 43,006.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,713.80 : 85,123.27 = 28,653.62 : x
  2. Step 2: Convert to fraction form
    56,713.80/85,123.27 = 28,653.62/x
  3. Step 3: Cross multiply
    56,713.80x = 85,123.27 × 28,653.62
  4. Step 4: Simplify right side
    56,713.80x = 2,439,089,441.94
  5. Step 5: Solve for x
    x = 2,439,089,441.94/56,713.80
  6. Step 6: Final answer
    x = 43,006.98

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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.