Home / 55,549.22-76,609.70-38,581.74

Finding the Fourth Proportional to 55,549.22, 76,609.70 and 38,581.74

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Solution

The fourth proportional to 55,549.22, 76,609.70 and 38,581.74 is: 53,209.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,549.22 : 76,609.70 = 38,581.74 : x
  2. Step 2: Convert to fraction form
    55,549.22/76,609.70 = 38,581.74/x
  3. Step 3: Cross multiply
    55,549.22x = 76,609.70 × 38,581.74
  4. Step 4: Simplify right side
    55,549.22x = 2,955,735,333.97
  5. Step 5: Solve for x
    x = 2,955,735,333.97/55,549.22
  6. Step 6: Final answer
    x = 53,209.31

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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.