Home / 52,379.16-78,568.74-43,125.72

Finding the Fourth Proportional to 52,379.16, 78,568.74 and 43,125.72

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Solution

The fourth proportional to 52,379.16, 78,568.74 and 43,125.72 is: 64,688.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,379.16 : 78,568.74 = 43,125.72 : x
  2. Step 2: Convert to fraction form
    52,379.16/78,568.74 = 43,125.72/x
  3. Step 3: Cross multiply
    52,379.16x = 78,568.74 × 43,125.72
  4. Step 4: Simplify right side
    52,379.16x = 3,388,333,481.99
  5. Step 5: Solve for x
    x = 3,388,333,481.99/52,379.16
  6. Step 6: Final answer
    x = 64,688.58

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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.