Home / 51,014.68-70,434.55-45,620.33

Finding the Fourth Proportional to 51,014.68, 70,434.55 and 45,620.33

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Solution

The fourth proportional to 51,014.68, 70,434.55 and 45,620.33 is: 62,986.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,014.68 : 70,434.55 = 45,620.33 : x
  2. Step 2: Convert to fraction form
    51,014.68/70,434.55 = 45,620.33/x
  3. Step 3: Cross multiply
    51,014.68x = 70,434.55 × 45,620.33
  4. Step 4: Simplify right side
    51,014.68x = 3,213,247,119.25
  5. Step 5: Solve for x
    x = 3,213,247,119.25/51,014.68
  6. Step 6: Final answer
    x = 62,986.72

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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.