Home / 55,227.48-76,216.08-31,356.38

Finding the Fourth Proportional to 55,227.48, 76,216.08 and 31,356.38

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Solution

The fourth proportional to 55,227.48, 76,216.08 and 31,356.38 is: 43,273.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,227.48 : 76,216.08 = 31,356.38 : x
  2. Step 2: Convert to fraction form
    55,227.48/76,216.08 = 31,356.38/x
  3. Step 3: Cross multiply
    55,227.48x = 76,216.08 × 31,356.38
  4. Step 4: Simplify right side
    55,227.48x = 2,389,859,985.51
  5. Step 5: Solve for x
    x = 2,389,859,985.51/55,227.48
  6. Step 6: Final answer
    x = 43,273.02

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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.