Home / 55,549.56-76,656.49-31,683.92

Finding the Fourth Proportional to 55,549.56, 76,656.49 and 31,683.92

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Solution

The fourth proportional to 55,549.56, 76,656.49 and 31,683.92 is: 43,722.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,549.56 : 76,656.49 = 31,683.92 : x
  2. Step 2: Convert to fraction form
    55,549.56/76,656.49 = 31,683.92/x
  3. Step 3: Cross multiply
    55,549.56x = 76,656.49 × 31,683.92
  4. Step 4: Simplify right side
    55,549.56x = 2,428,778,096.64
  5. Step 5: Solve for x
    x = 2,428,778,096.64/55,549.56
  6. Step 6: Final answer
    x = 43,722.72

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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.