Home / 141,089.55-211,632-56,847.66

Finding the Fourth Proportional to 141,089.55, 211,632 and 56,847.66

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Solution

The fourth proportional to 141,089.55, 211,632 and 56,847.66 is: 85,270.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,089.55 : 211,632 = 56,847.66 : x
  2. Step 2: Convert to fraction form
    141,089.55/211,632 = 56,847.66/x
  3. Step 3: Cross multiply
    141,089.55x = 211,632 × 56,847.66
  4. Step 4: Simplify right side
    141,089.55x = 12,030,783,981.12
  5. Step 5: Solve for x
    x = 12,030,783,981.12/141,089.55
  6. Step 6: Final answer
    x = 85,270.55

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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.