Home / 56,156.91-84,235.03-14,036.78

Finding the Fourth Proportional to 56,156.91, 84,235.03 and 14,036.78

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Solution

The fourth proportional to 56,156.91, 84,235.03 and 14,036.78 is: 21,055.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,156.91 : 84,235.03 = 14,036.78 : x
  2. Step 2: Convert to fraction form
    56,156.91/84,235.03 = 14,036.78/x
  3. Step 3: Cross multiply
    56,156.91x = 84,235.03 × 14,036.78
  4. Step 4: Simplify right side
    56,156.91x = 1,182,388,514.22
  5. Step 5: Solve for x
    x = 1,182,388,514.22/56,156.91
  6. Step 6: Final answer
    x = 21,055.09

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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.