Home / 56,864.72-85,297.08-55,309.52

Finding the Fourth Proportional to 56,864.72, 85,297.08 and 55,309.52

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Solution

The fourth proportional to 56,864.72, 85,297.08 and 55,309.52 is: 82,964.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,864.72 : 85,297.08 = 55,309.52 : x
  2. Step 2: Convert to fraction form
    56,864.72/85,297.08 = 55,309.52/x
  3. Step 3: Cross multiply
    56,864.72x = 85,297.08 × 55,309.52
  4. Step 4: Simplify right side
    56,864.72x = 4,717,740,552.20
  5. Step 5: Solve for x
    x = 4,717,740,552.20/56,864.72
  6. Step 6: Final answer
    x = 82,964.28

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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.