Home / 82,178.04-113,404.80-46,379.64

Finding the Fourth Proportional to 82,178.04, 113,404.80 and 46,379.64

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Solution

The fourth proportional to 82,178.04, 113,404.80 and 46,379.64 is: 64,003.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,178.04 : 113,404.80 = 46,379.64 : x
  2. Step 2: Convert to fraction form
    82,178.04/113,404.80 = 46,379.64/x
  3. Step 3: Cross multiply
    82,178.04x = 113,404.80 × 46,379.64
  4. Step 4: Simplify right side
    82,178.04x = 5,259,673,798.27
  5. Step 5: Solve for x
    x = 5,259,673,798.27/82,178.04
  6. Step 6: Final answer
    x = 64,003.40

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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.