Home / 55,654.20-76,802.63-30,161.30

Finding the Fourth Proportional to 55,654.20, 76,802.63 and 30,161.30

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Solution

The fourth proportional to 55,654.20, 76,802.63 and 30,161.30 is: 41,622.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,654.20 : 76,802.63 = 30,161.30 : x
  2. Step 2: Convert to fraction form
    55,654.20/76,802.63 = 30,161.30/x
  3. Step 3: Cross multiply
    55,654.20x = 76,802.63 × 30,161.30
  4. Step 4: Simplify right side
    55,654.20x = 2,316,466,629.40
  5. Step 5: Solve for x
    x = 2,316,466,629.40/55,654.20
  6. Step 6: Final answer
    x = 41,622.49

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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.