Home / 55,216.17-76,200.66-31,345.07

Finding the Fourth Proportional to 55,216.17, 76,200.66 and 31,345.07

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Solution

The fourth proportional to 55,216.17, 76,200.66 and 31,345.07 is: 43,257.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,216.17 : 76,200.66 = 31,345.07 : x
  2. Step 2: Convert to fraction form
    55,216.17/76,200.66 = 31,345.07/x
  3. Step 3: Cross multiply
    55,216.17x = 76,200.66 × 31,345.07
  4. Step 4: Simplify right side
    55,216.17x = 2,388,514,640.74
  5. Step 5: Solve for x
    x = 2,388,514,640.74/55,216.17
  6. Step 6: Final answer
    x = 43,257.52

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1.5x scale

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.