Home / 81,983.55-113,134.35-46,176.90

Finding the Fourth Proportional to 81,983.55, 113,134.35 and 46,176.90

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Solution

The fourth proportional to 81,983.55, 113,134.35 and 46,176.90 is: 63,722.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,983.55 : 113,134.35 = 46,176.90 : x
  2. Step 2: Convert to fraction form
    81,983.55/113,134.35 = 46,176.90/x
  3. Step 3: Cross multiply
    81,983.55x = 113,134.35 × 46,176.90
  4. Step 4: Simplify right side
    81,983.55x = 5,224,193,566.52
  5. Step 5: Solve for x
    x = 5,224,193,566.52/81,983.55
  6. Step 6: Final answer
    x = 63,722.46

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1.5x scale

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.