Home / 61,861.96-92,800.08-19,727.20

Finding the Fourth Proportional to 61,861.96, 92,800.08 and 19,727.20

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Solution

The fourth proportional to 61,861.96, 92,800.08 and 19,727.20 is: 29,593.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,861.96 : 92,800.08 = 19,727.20 : x
  2. Step 2: Convert to fraction form
    61,861.96/92,800.08 = 19,727.20/x
  3. Step 3: Cross multiply
    61,861.96x = 92,800.08 × 19,727.20
  4. Step 4: Simplify right side
    61,861.96x = 1,830,685,738.18
  5. Step 5: Solve for x
    x = 1,830,685,738.18/61,861.96
  6. Step 6: Final answer
    x = 29,593.08

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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.