Home / 47,750.49-65,873.25-28,621.13

Finding the Fourth Proportional to 47,750.49, 65,873.25 and 28,621.13

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Solution

The fourth proportional to 47,750.49, 65,873.25 and 28,621.13 is: 39,483.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,750.49 : 65,873.25 = 28,621.13 : x
  2. Step 2: Convert to fraction form
    47,750.49/65,873.25 = 28,621.13/x
  3. Step 3: Cross multiply
    47,750.49x = 65,873.25 × 28,621.13
  4. Step 4: Simplify right side
    47,750.49x = 1,885,366,522.41
  5. Step 5: Solve for x
    x = 1,885,366,522.41/47,750.49
  6. Step 6: Final answer
    x = 39,483.71

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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.