Home / 51,025.71-70,469.28-45,459.81

Finding the Fourth Proportional to 51,025.71, 70,469.28 and 45,459.81

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Solution

The fourth proportional to 51,025.71, 70,469.28 and 45,459.81 is: 62,782.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,025.71 : 70,469.28 = 45,459.81 : x
  2. Step 2: Convert to fraction form
    51,025.71/70,469.28 = 45,459.81/x
  3. Step 3: Cross multiply
    51,025.71x = 70,469.28 × 45,459.81
  4. Step 4: Simplify right side
    51,025.71x = 3,203,520,079.64
  5. Step 5: Solve for x
    x = 3,203,520,079.64/51,025.71
  6. Step 6: Final answer
    x = 62,782.47

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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.