Home / 55,549.19-76,655.94-31,683.56

Finding the Fourth Proportional to 55,549.19, 76,655.94 and 31,683.56

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Solution

The fourth proportional to 55,549.19, 76,655.94 and 31,683.56 is: 43,722.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,549.19 : 76,655.94 = 31,683.56 : x
  2. Step 2: Convert to fraction form
    55,549.19/76,655.94 = 31,683.56/x
  3. Step 3: Cross multiply
    55,549.19x = 76,655.94 × 31,683.56
  4. Step 4: Simplify right side
    55,549.19x = 2,428,732,691.07
  5. Step 5: Solve for x
    x = 2,428,732,691.07/55,549.19
  6. Step 6: Final answer
    x = 43,722.20

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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.