Home / 53,390.21-73,587.51-48,865.34

Finding the Fourth Proportional to 53,390.21, 73,587.51 and 48,865.34

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Solution

The fourth proportional to 53,390.21, 73,587.51 and 48,865.34 is: 67,350.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,390.21 : 73,587.51 = 48,865.34 : x
  2. Step 2: Convert to fraction form
    53,390.21/73,587.51 = 48,865.34/x
  3. Step 3: Cross multiply
    53,390.21x = 73,587.51 × 48,865.34
  4. Step 4: Simplify right side
    53,390.21x = 3,595,878,327.97
  5. Step 5: Solve for x
    x = 3,595,878,327.97/53,390.21
  6. Step 6: Final answer
    x = 67,350.90

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1.5x scale

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.