Home / 92,753.04-138,942.99-70,302.12

Finding the Fourth Proportional to 92,753.04, 138,942.99 and 70,302.12

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Solution

The fourth proportional to 92,753.04, 138,942.99 and 70,302.12 is: 105,311.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,753.04 : 138,942.99 = 70,302.12 : x
  2. Step 2: Convert to fraction form
    92,753.04/138,942.99 = 70,302.12/x
  3. Step 3: Cross multiply
    92,753.04x = 138,942.99 × 70,302.12
  4. Step 4: Simplify right side
    92,753.04x = 9,767,986,818.93
  5. Step 5: Solve for x
    x = 9,767,986,818.93/92,753.04
  6. Step 6: Final answer
    x = 105,311.77

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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.