Home / 55,835.68-83,772.96-20,798.32

Finding the Fourth Proportional to 55,835.68, 83,772.96 and 20,798.32

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Solution

The fourth proportional to 55,835.68, 83,772.96 and 20,798.32 is: 31,204.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,835.68 : 83,772.96 = 20,798.32 : x
  2. Step 2: Convert to fraction form
    55,835.68/83,772.96 = 20,798.32/x
  3. Step 3: Cross multiply
    55,835.68x = 83,772.96 × 20,798.32
  4. Step 4: Simplify right side
    55,835.68x = 1,742,336,829.43
  5. Step 5: Solve for x
    x = 1,742,336,829.43/55,835.68
  6. Step 6: Final answer
    x = 31,204.72

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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.