Home / 86,585.04-129,871.80-34,003.44

Finding the Fourth Proportional to 86,585.04, 129,871.80 and 34,003.44

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Solution

The fourth proportional to 86,585.04, 129,871.80 and 34,003.44 is: 51,002.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,585.04 : 129,871.80 = 34,003.44 : x
  2. Step 2: Convert to fraction form
    86,585.04/129,871.80 = 34,003.44/x
  3. Step 3: Cross multiply
    86,585.04x = 129,871.80 × 34,003.44
  4. Step 4: Simplify right side
    86,585.04x = 4,416,087,958.99
  5. Step 5: Solve for x
    x = 4,416,087,958.99/86,585.04
  6. Step 6: Final answer
    x = 51,002.90

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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.