Home / 86,225.94-129,338.65-27,066.04

Finding the Fourth Proportional to 86,225.94, 129,338.65 and 27,066.04

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Solution

The fourth proportional to 86,225.94, 129,338.65 and 27,066.04 is: 40,598.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,225.94 : 129,338.65 = 27,066.04 : x
  2. Step 2: Convert to fraction form
    86,225.94/129,338.65 = 27,066.04/x
  3. Step 3: Cross multiply
    86,225.94x = 129,338.65 × 27,066.04
  4. Step 4: Simplify right side
    86,225.94x = 3,500,685,074.45
  5. Step 5: Solve for x
    x = 3,500,685,074.45/86,225.94
  6. Step 6: Final answer
    x = 40,598.98

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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.