Home / 55,926.63-77,178.90-30,432.99

Finding the Fourth Proportional to 55,926.63, 77,178.90 and 30,432.99

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Solution

The fourth proportional to 55,926.63, 77,178.90 and 30,432.99 is: 41,997.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,926.63 : 77,178.90 = 30,432.99 : x
  2. Step 2: Convert to fraction form
    55,926.63/77,178.90 = 30,432.99/x
  3. Step 3: Cross multiply
    55,926.63x = 77,178.90 × 30,432.99
  4. Step 4: Simplify right side
    55,926.63x = 2,348,784,691.91
  5. Step 5: Solve for x
    x = 2,348,784,691.91/55,926.63
  6. Step 6: Final answer
    x = 41,997.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.