Home / 56,518.71-85,116.49-51,474.14

Finding the Fourth Proportional to 56,518.71, 85,116.49 and 51,474.14

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Solution

The fourth proportional to 56,518.71, 85,116.49 and 51,474.14 is: 77,519.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,518.71 : 85,116.49 = 51,474.14 : x
  2. Step 2: Convert to fraction form
    56,518.71/85,116.49 = 51,474.14/x
  3. Step 3: Cross multiply
    56,518.71x = 85,116.49 × 51,474.14
  4. Step 4: Simplify right side
    56,518.71x = 4,381,298,122.57
  5. Step 5: Solve for x
    x = 4,381,298,122.57/56,518.71
  6. Step 6: Final answer
    x = 77,519.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.