Home / 48,654.75-67,154.34-30,746.33

Finding the Fourth Proportional to 48,654.75, 67,154.34 and 30,746.33

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Solution

The fourth proportional to 48,654.75, 67,154.34 and 30,746.33 is: 42,436.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,654.75 : 67,154.34 = 30,746.33 : x
  2. Step 2: Convert to fraction form
    48,654.75/67,154.34 = 30,746.33/x
  3. Step 3: Cross multiply
    48,654.75x = 67,154.34 × 30,746.33
  4. Step 4: Simplify right side
    48,654.75x = 2,064,749,821.20
  5. Step 5: Solve for x
    x = 2,064,749,821.20/48,654.75
  6. Step 6: Final answer
    x = 42,436.76

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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.