Home / 76,087.68-104,983.20-45,864.96

Finding the Fourth Proportional to 76,087.68, 104,983.20 and 45,864.96

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Solution

The fourth proportional to 76,087.68, 104,983.20 and 45,864.96 is: 63,282.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,087.68 : 104,983.20 = 45,864.96 : x
  2. Step 2: Convert to fraction form
    76,087.68/104,983.20 = 45,864.96/x
  3. Step 3: Cross multiply
    76,087.68x = 104,983.20 × 45,864.96
  4. Step 4: Simplify right side
    76,087.68x = 4,815,050,268.67
  5. Step 5: Solve for x
    x = 4,815,050,268.67/76,087.68
  6. Step 6: Final answer
    x = 63,282.92

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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.