Home / 82,562.05-113,970.51-55,740.89

Finding the Fourth Proportional to 82,562.05, 113,970.51 and 55,740.89

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Solution

The fourth proportional to 82,562.05, 113,970.51 and 55,740.89 is: 76,945.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,562.05 : 113,970.51 = 55,740.89 : x
  2. Step 2: Convert to fraction form
    82,562.05/113,970.51 = 55,740.89/x
  3. Step 3: Cross multiply
    82,562.05x = 113,970.51 × 55,740.89
  4. Step 4: Simplify right side
    82,562.05x = 6,352,816,812.60
  5. Step 5: Solve for x
    x = 6,352,816,812.60/82,562.05
  6. Step 6: Final answer
    x = 76,945.97

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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.