Home / 86,652.08-119,515.84-54,790.28

Finding the Fourth Proportional to 86,652.08, 119,515.84 and 54,790.28

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Solution

The fourth proportional to 86,652.08, 119,515.84 and 54,790.28 is: 75,570.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,652.08 : 119,515.84 = 54,790.28 : x
  2. Step 2: Convert to fraction form
    86,652.08/119,515.84 = 54,790.28/x
  3. Step 3: Cross multiply
    86,652.08x = 119,515.84 × 54,790.28
  4. Step 4: Simplify right side
    86,652.08x = 6,548,305,603.48
  5. Step 5: Solve for x
    x = 6,548,305,603.48/86,652.08
  6. Step 6: Final answer
    x = 75,570.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.