Home / 51,228.05-70,695.10-28,568.50

Finding the Fourth Proportional to 51,228.05, 70,695.10 and 28,568.50

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Solution

The fourth proportional to 51,228.05, 70,695.10 and 28,568.50 is: 39,424.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,228.05 : 70,695.10 = 28,568.50 : x
  2. Step 2: Convert to fraction form
    51,228.05/70,695.10 = 28,568.50/x
  3. Step 3: Cross multiply
    51,228.05x = 70,695.10 × 28,568.50
  4. Step 4: Simplify right side
    51,228.05x = 2,019,652,903.67
  5. Step 5: Solve for x
    x = 2,019,652,903.67/51,228.05
  6. Step 6: Final answer
    x = 39,424.75

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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.