Home / 86,051.88-129,000.06-30,634.92

Finding the Fourth Proportional to 86,051.88, 129,000.06 and 30,634.92

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Solution

The fourth proportional to 86,051.88, 129,000.06 and 30,634.92 is: 45,924.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,051.88 : 129,000.06 = 30,634.92 : x
  2. Step 2: Convert to fraction form
    86,051.88/129,000.06 = 30,634.92/x
  3. Step 3: Cross multiply
    86,051.88x = 129,000.06 × 30,634.92
  4. Step 4: Simplify right side
    86,051.88x = 3,951,906,518.10
  5. Step 5: Solve for x
    x = 3,951,906,518.10/86,051.88
  6. Step 6: Final answer
    x = 45,924.70

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1.5x scale

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.