Home / 52,183.69-72,011.55-28,309.86

Finding the Fourth Proportional to 52,183.69, 72,011.55 and 28,309.86

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Solution

The fourth proportional to 52,183.69, 72,011.55 and 28,309.86 is: 39,066.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,183.69 : 72,011.55 = 28,309.86 : x
  2. Step 2: Convert to fraction form
    52,183.69/72,011.55 = 28,309.86/x
  3. Step 3: Cross multiply
    52,183.69x = 72,011.55 × 28,309.86
  4. Step 4: Simplify right side
    52,183.69x = 2,038,636,898.88
  5. Step 5: Solve for x
    x = 2,038,636,898.88/52,183.69
  6. Step 6: Final answer
    x = 39,066.55

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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.