Home / 55,907.08-83,834.70-20,837.32

Finding the Fourth Proportional to 55,907.08, 83,834.70 and 20,837.32

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Solution

The fourth proportional to 55,907.08, 83,834.70 and 20,837.32 is: 31,246.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,907.08 : 83,834.70 = 20,837.32 : x
  2. Step 2: Convert to fraction form
    55,907.08/83,834.70 = 20,837.32/x
  3. Step 3: Cross multiply
    55,907.08x = 83,834.70 × 20,837.32
  4. Step 4: Simplify right side
    55,907.08x = 1,746,890,471.00
  5. Step 5: Solve for x
    x = 1,746,890,471.00/55,907.08
  6. Step 6: Final answer
    x = 31,246.32

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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.