Home / 55,798.12-83,671.28-20,254.96

Finding the Fourth Proportional to 55,798.12, 83,671.28 and 20,254.96

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Solution

The fourth proportional to 55,798.12, 83,671.28 and 20,254.96 is: 30,373.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,798.12 : 83,671.28 = 20,254.96 : x
  2. Step 2: Convert to fraction form
    55,798.12/83,671.28 = 20,254.96/x
  3. Step 3: Cross multiply
    55,798.12x = 83,671.28 × 20,254.96
  4. Step 4: Simplify right side
    55,798.12x = 1,694,758,508.82
  5. Step 5: Solve for x
    x = 1,694,758,508.82/55,798.12
  6. Step 6: Final answer
    x = 30,373.04

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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.