Home / 63,167.11-87,130.79-40,482.65

Finding the Fourth Proportional to 63,167.11, 87,130.79 and 40,482.65

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Solution

The fourth proportional to 63,167.11, 87,130.79 and 40,482.65 is: 55,840.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,167.11 : 87,130.79 = 40,482.65 : x
  2. Step 2: Convert to fraction form
    63,167.11/87,130.79 = 40,482.65/x
  3. Step 3: Cross multiply
    63,167.11x = 87,130.79 × 40,482.65
  4. Step 4: Simplify right side
    63,167.11x = 3,527,285,443.02
  5. Step 5: Solve for x
    x = 3,527,285,443.02/63,167.11
  6. Step 6: Final answer
    x = 55,840.54

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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.