Home / 52,093.65-78,140.28-18,813.69

Finding the Fourth Proportional to 52,093.65, 78,140.28 and 18,813.69

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Solution

The fourth proportional to 52,093.65, 78,140.28 and 18,813.69 is: 28,220.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,093.65 : 78,140.28 = 18,813.69 : x
  2. Step 2: Convert to fraction form
    52,093.65/78,140.28 = 18,813.69/x
  3. Step 3: Cross multiply
    52,093.65x = 78,140.28 × 18,813.69
  4. Step 4: Simplify right side
    52,093.65x = 1,470,107,004.43
  5. Step 5: Solve for x
    x = 1,470,107,004.43/52,093.65
  6. Step 6: Final answer
    x = 28,220.46

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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.