Home / 55,304.67-76,321.53-30,154.17

Finding the Fourth Proportional to 55,304.67, 76,321.53 and 30,154.17

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Solution

The fourth proportional to 55,304.67, 76,321.53 and 30,154.17 is: 41,613.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,304.67 : 76,321.53 = 30,154.17 : x
  2. Step 2: Convert to fraction form
    55,304.67/76,321.53 = 30,154.17/x
  3. Step 3: Cross multiply
    55,304.67x = 76,321.53 × 30,154.17
  4. Step 4: Simplify right side
    55,304.67x = 2,301,412,390.28
  5. Step 5: Solve for x
    x = 2,301,412,390.28/55,304.67
  6. Step 6: Final answer
    x = 41,613.35

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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.