Home / 58,261.60-87,421.20-33,320.80

Finding the Fourth Proportional to 58,261.60, 87,421.20 and 33,320.80

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Solution

The fourth proportional to 58,261.60, 87,421.20 and 33,320.80 is: 49,997.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,261.60 : 87,421.20 = 33,320.80 : x
  2. Step 2: Convert to fraction form
    58,261.60/87,421.20 = 33,320.80/x
  3. Step 3: Cross multiply
    58,261.60x = 87,421.20 × 33,320.80
  4. Step 4: Simplify right side
    58,261.60x = 2,912,944,320.96
  5. Step 5: Solve for x
    x = 2,912,944,320.96/58,261.60
  6. Step 6: Final answer
    x = 49,997.67

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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.