Home / 54,973.90-82,460.85-40,977.10

Finding the Fourth Proportional to 54,973.90, 82,460.85 and 40,977.10

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Solution

The fourth proportional to 54,973.90, 82,460.85 and 40,977.10 is: 61,465.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,973.90 : 82,460.85 = 40,977.10 : x
  2. Step 2: Convert to fraction form
    54,973.90/82,460.85 = 40,977.10/x
  3. Step 3: Cross multiply
    54,973.90x = 82,460.85 × 40,977.10
  4. Step 4: Simplify right side
    54,973.90x = 3,379,006,496.54
  5. Step 5: Solve for x
    x = 3,379,006,496.54/54,973.90
  6. Step 6: Final answer
    x = 61,465.65

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1.5x scale

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.