Home / 61,664.20-92,496.30-56,123.80

Finding the Fourth Proportional to 61,664.20, 92,496.30 and 56,123.80

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Solution

The fourth proportional to 61,664.20, 92,496.30 and 56,123.80 is: 84,185.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,664.20 : 92,496.30 = 56,123.80 : x
  2. Step 2: Convert to fraction form
    61,664.20/92,496.30 = 56,123.80/x
  3. Step 3: Cross multiply
    61,664.20x = 92,496.30 × 56,123.80
  4. Step 4: Simplify right side
    61,664.20x = 5,191,243,841.94
  5. Step 5: Solve for x
    x = 5,191,243,841.94/61,664.20
  6. Step 6: Final answer
    x = 84,185.70

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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.