Home / 58,403.50-87,660.60-36,149.56

Finding the Fourth Proportional to 58,403.50, 87,660.60 and 36,149.56

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Solution

The fourth proportional to 58,403.50, 87,660.60 and 36,149.56 is: 54,258.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,403.50 : 87,660.60 = 36,149.56 : x
  2. Step 2: Convert to fraction form
    58,403.50/87,660.60 = 36,149.56/x
  3. Step 3: Cross multiply
    58,403.50x = 87,660.60 × 36,149.56
  4. Step 4: Simplify right side
    58,403.50x = 3,168,892,119.34
  5. Step 5: Solve for x
    x = 3,168,892,119.34/58,403.50
  6. Step 6: Final answer
    x = 54,258.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.