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Finding the Fourth Proportional to 55,160.40, 82,740.60 and 49,036.80

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Solution

The fourth proportional to 55,160.40, 82,740.60 and 49,036.80 is: 73,555.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,160.40 : 82,740.60 = 49,036.80 : x
  2. Step 2: Convert to fraction form
    55,160.40/82,740.60 = 49,036.80/x
  3. Step 3: Cross multiply
    55,160.40x = 82,740.60 × 49,036.80
  4. Step 4: Simplify right side
    55,160.40x = 4,057,334,254.08
  5. Step 5: Solve for x
    x = 4,057,334,254.08/55,160.40
  6. Step 6: Final answer
    x = 73,555.20

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.