Home / 92,776.64-139,145.82-45,343.04

Finding the Fourth Proportional to 92,776.64, 139,145.82 and 45,343.04

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Solution

The fourth proportional to 92,776.64, 139,145.82 and 45,343.04 is: 68,005.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,776.64 : 139,145.82 = 45,343.04 : x
  2. Step 2: Convert to fraction form
    92,776.64/139,145.82 = 45,343.04/x
  3. Step 3: Cross multiply
    92,776.64x = 139,145.82 × 45,343.04
  4. Step 4: Simplify right side
    92,776.64x = 6,309,294,482.09
  5. Step 5: Solve for x
    x = 6,309,294,482.09/92,776.64
  6. Step 6: Final answer
    x = 68,005.21

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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.