Home / 56,143.72-84,229.35-16,700.77

Finding the Fourth Proportional to 56,143.72, 84,229.35 and 16,700.77

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Solution

The fourth proportional to 56,143.72, 84,229.35 and 16,700.77 is: 25,055.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,143.72 : 84,229.35 = 16,700.77 : x
  2. Step 2: Convert to fraction form
    56,143.72/84,229.35 = 16,700.77/x
  3. Step 3: Cross multiply
    56,143.72x = 84,229.35 × 16,700.77
  4. Step 4: Simplify right side
    56,143.72x = 1,406,695,001.60
  5. Step 5: Solve for x
    x = 1,406,695,001.60/56,143.72
  6. Step 6: Final answer
    x = 25,055.25

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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.