Home / 65,320.62-90,144.27-46,234.50

Finding the Fourth Proportional to 65,320.62, 90,144.27 and 46,234.50

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Solution

The fourth proportional to 65,320.62, 90,144.27 and 46,234.50 is: 63,804.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,320.62 : 90,144.27 = 46,234.50 : x
  2. Step 2: Convert to fraction form
    65,320.62/90,144.27 = 46,234.50/x
  3. Step 3: Cross multiply
    65,320.62x = 90,144.27 × 46,234.50
  4. Step 4: Simplify right side
    65,320.62x = 4,167,775,251.32
  5. Step 5: Solve for x
    x = 4,167,775,251.32/65,320.62
  6. Step 6: Final answer
    x = 63,804.89

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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.