Home / 51,987.21-78,034.65-32,011.08

Finding the Fourth Proportional to 51,987.21, 78,034.65 and 32,011.08

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Solution

The fourth proportional to 51,987.21, 78,034.65 and 32,011.08 is: 48,049.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,987.21 : 78,034.65 = 32,011.08 : x
  2. Step 2: Convert to fraction form
    51,987.21/78,034.65 = 32,011.08/x
  3. Step 3: Cross multiply
    51,987.21x = 78,034.65 × 32,011.08
  4. Step 4: Simplify right side
    51,987.21x = 2,497,973,423.92
  5. Step 5: Solve for x
    x = 2,497,973,423.92/51,987.21
  6. Step 6: Final answer
    x = 48,049.77

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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.