Home / 82,066.10-113,176.04-53,787.38

Finding the Fourth Proportional to 82,066.10, 113,176.04 and 53,787.38

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Solution

The fourth proportional to 82,066.10, 113,176.04 and 53,787.38 is: 74,177.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,066.10 : 113,176.04 = 53,787.38 : x
  2. Step 2: Convert to fraction form
    82,066.10/113,176.04 = 53,787.38/x
  3. Step 3: Cross multiply
    82,066.10x = 113,176.04 × 53,787.38
  4. Step 4: Simplify right side
    82,066.10x = 6,087,442,670.38
  5. Step 5: Solve for x
    x = 6,087,442,670.38/82,066.10
  6. Step 6: Final answer
    x = 74,177.31

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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.