Home / 91,074.96-136,590.39-46,678.86

Finding the Fourth Proportional to 91,074.96, 136,590.39 and 46,678.86

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Solution

The fourth proportional to 91,074.96, 136,590.39 and 46,678.86 is: 70,006.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,074.96 : 136,590.39 = 46,678.86 : x
  2. Step 2: Convert to fraction form
    91,074.96/136,590.39 = 46,678.86/x
  3. Step 3: Cross multiply
    91,074.96x = 136,590.39 × 46,678.86
  4. Step 4: Simplify right side
    91,074.96x = 6,375,883,692.16
  5. Step 5: Solve for x
    x = 6,375,883,692.16/91,074.96
  6. Step 6: Final answer
    x = 70,006.99

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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.