Home / 51,302.70-70,801.29-28,646.10

Finding the Fourth Proportional to 51,302.70, 70,801.29 and 28,646.10

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Solution

The fourth proportional to 51,302.70, 70,801.29 and 28,646.10 is: 39,533.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,302.70 : 70,801.29 = 28,646.10 : x
  2. Step 2: Convert to fraction form
    51,302.70/70,801.29 = 28,646.10/x
  3. Step 3: Cross multiply
    51,302.70x = 70,801.29 × 28,646.10
  4. Step 4: Simplify right side
    51,302.70x = 2,028,180,833.47
  5. Step 5: Solve for x
    x = 2,028,180,833.47/51,302.70
  6. Step 6: Final answer
    x = 39,533.61

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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.