Home / 53,390.21-73,587.51-48,865.33

Finding the Fourth Proportional to 53,390.21, 73,587.51 and 48,865.33

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Solution

The fourth proportional to 53,390.21, 73,587.51 and 48,865.33 is: 67,350.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,390.21 : 73,587.51 = 48,865.33 : x
  2. Step 2: Convert to fraction form
    53,390.21/73,587.51 = 48,865.33/x
  3. Step 3: Cross multiply
    53,390.21x = 73,587.51 × 48,865.33
  4. Step 4: Simplify right side
    53,390.21x = 3,595,877,960.03
  5. Step 5: Solve for x
    x = 3,595,877,960.03/53,390.21
  6. Step 6: Final answer
    x = 67,350.89

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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.