Home / 86,006.04-128,994.42-22,827.08

Finding the Fourth Proportional to 86,006.04, 128,994.42 and 22,827.08

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Solution

The fourth proportional to 86,006.04, 128,994.42 and 22,827.08 is: 34,236.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,006.04 : 128,994.42 = 22,827.08 : x
  2. Step 2: Convert to fraction form
    86,006.04/128,994.42 = 22,827.08/x
  3. Step 3: Cross multiply
    86,006.04x = 128,994.42 × 22,827.08
  4. Step 4: Simplify right side
    86,006.04x = 2,944,565,944.89
  5. Step 5: Solve for x
    x = 2,944,565,944.89/86,006.04
  6. Step 6: Final answer
    x = 34,236.73

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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.