Home / 57,068.14-85,585.49-21,503.80

Finding the Fourth Proportional to 57,068.14, 85,585.49 and 21,503.80

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Solution

The fourth proportional to 57,068.14, 85,585.49 and 21,503.80 is: 32,249.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,068.14 : 85,585.49 = 21,503.80 : x
  2. Step 2: Convert to fraction form
    57,068.14/85,585.49 = 21,503.80/x
  3. Step 3: Cross multiply
    57,068.14x = 85,585.49 × 21,503.80
  4. Step 4: Simplify right side
    57,068.14x = 1,840,412,724.42
  5. Step 5: Solve for x
    x = 1,840,412,724.42/57,068.14
  6. Step 6: Final answer
    x = 32,249.39

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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.