Home / 54,971.14-82,410.54-38,281.90

Finding the Fourth Proportional to 54,971.14, 82,410.54 and 38,281.90

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Solution

The fourth proportional to 54,971.14, 82,410.54 and 38,281.90 is: 57,390.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,971.14 : 82,410.54 = 38,281.90 : x
  2. Step 2: Convert to fraction form
    54,971.14/82,410.54 = 38,281.90/x
  3. Step 3: Cross multiply
    54,971.14x = 82,410.54 × 38,281.90
  4. Step 4: Simplify right side
    54,971.14x = 3,154,832,051.23
  5. Step 5: Solve for x
    x = 3,154,832,051.23/54,971.14
  6. Step 6: Final answer
    x = 57,390.70

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Why These Related Problems?

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