Home / 55,415.18-83,123.04-15,972.50

Finding the Fourth Proportional to 55,415.18, 83,123.04 and 15,972.50

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Solution

The fourth proportional to 55,415.18, 83,123.04 and 15,972.50 is: 23,958.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,415.18 : 83,123.04 = 15,972.50 : x
  2. Step 2: Convert to fraction form
    55,415.18/83,123.04 = 15,972.50/x
  3. Step 3: Cross multiply
    55,415.18x = 83,123.04 × 15,972.50
  4. Step 4: Simplify right side
    55,415.18x = 1,327,682,756.40
  5. Step 5: Solve for x
    x = 1,327,682,756.40/55,415.18
  6. Step 6: Final answer
    x = 23,958.83

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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.