Home / 58,051.20-86,960.12-30,290.88

Finding the Fourth Proportional to 58,051.20, 86,960.12 and 30,290.88

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Solution

The fourth proportional to 58,051.20, 86,960.12 and 30,290.88 is: 45,375.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,051.20 : 86,960.12 = 30,290.88 : x
  2. Step 2: Convert to fraction form
    58,051.20/86,960.12 = 30,290.88/x
  3. Step 3: Cross multiply
    58,051.20x = 86,960.12 × 30,290.88
  4. Step 4: Simplify right side
    58,051.20x = 2,634,098,559.71
  5. Step 5: Solve for x
    x = 2,634,098,559.71/58,051.20
  6. Step 6: Final answer
    x = 45,375.44

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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.