Home / 51,240.60-70,712.39-28,581.05

Finding the Fourth Proportional to 51,240.60, 70,712.39 and 28,581.05

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Solution

The fourth proportional to 51,240.60, 70,712.39 and 28,581.05 is: 39,442.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,240.60 : 70,712.39 = 28,581.05 : x
  2. Step 2: Convert to fraction form
    51,240.60/70,712.39 = 28,581.05/x
  3. Step 3: Cross multiply
    51,240.60x = 70,712.39 × 28,581.05
  4. Step 4: Simplify right side
    51,240.60x = 2,021,034,602.44
  5. Step 5: Solve for x
    x = 2,021,034,602.44/51,240.60
  6. Step 6: Final answer
    x = 39,442.06

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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.