Home / 52,332.45-78,524.61-20,741.81

Finding the Fourth Proportional to 52,332.45, 78,524.61 and 20,741.81

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Solution

The fourth proportional to 52,332.45, 78,524.61 and 20,741.81 is: 31,122.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,332.45 : 78,524.61 = 20,741.81 : x
  2. Step 2: Convert to fraction form
    52,332.45/78,524.61 = 20,741.81/x
  3. Step 3: Cross multiply
    52,332.45x = 78,524.61 × 20,741.81
  4. Step 4: Simplify right side
    52,332.45x = 1,628,742,070.54
  5. Step 5: Solve for x
    x = 1,628,742,070.54/52,332.45
  6. Step 6: Final answer
    x = 31,122.99

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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.