Home / 121,861.86-182,773.89-47,017.05

Finding the Fourth Proportional to 121,861.86, 182,773.89 and 47,017.05

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Solution

The fourth proportional to 121,861.86, 182,773.89 and 47,017.05 is: 70,518.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,861.86 : 182,773.89 = 47,017.05 : x
  2. Step 2: Convert to fraction form
    121,861.86/182,773.89 = 47,017.05/x
  3. Step 3: Cross multiply
    121,861.86x = 182,773.89 × 47,017.05
  4. Step 4: Simplify right side
    121,861.86x = 8,593,489,124.82
  5. Step 5: Solve for x
    x = 8,593,489,124.82/121,861.86
  6. Step 6: Final answer
    x = 70,518.28

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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.