Home / 86,533.94-129,818.28-36,613.82

Finding the Fourth Proportional to 86,533.94, 129,818.28 and 36,613.82

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Solution

The fourth proportional to 86,533.94, 129,818.28 and 36,613.82 is: 54,928.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,533.94 : 129,818.28 = 36,613.82 : x
  2. Step 2: Convert to fraction form
    86,533.94/129,818.28 = 36,613.82/x
  3. Step 3: Cross multiply
    86,533.94x = 129,818.28 × 36,613.82
  4. Step 4: Simplify right side
    86,533.94x = 4,753,143,136.63
  5. Step 5: Solve for x
    x = 4,753,143,136.63/86,533.94
  6. Step 6: Final answer
    x = 54,928.08

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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.