Home / 56,771.04-85,158.92-21,228.76

Finding the Fourth Proportional to 56,771.04, 85,158.92 and 21,228.76

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Solution

The fourth proportional to 56,771.04, 85,158.92 and 21,228.76 is: 31,844.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,771.04 : 85,158.92 = 21,228.76 : x
  2. Step 2: Convert to fraction form
    56,771.04/85,158.92 = 21,228.76/x
  3. Step 3: Cross multiply
    56,771.04x = 85,158.92 × 21,228.76
  4. Step 4: Simplify right side
    56,771.04x = 1,807,818,274.54
  5. Step 5: Solve for x
    x = 1,807,818,274.54/56,771.04
  6. Step 6: Final answer
    x = 31,844.02

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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.