Home / 74,192.53-102,385.33-40,658.53

Finding the Fourth Proportional to 74,192.53, 102,385.33 and 40,658.53

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Solution

The fourth proportional to 74,192.53, 102,385.33 and 40,658.53 is: 56,108.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,192.53 : 102,385.33 = 40,658.53 : x
  2. Step 2: Convert to fraction form
    74,192.53/102,385.33 = 40,658.53/x
  3. Step 3: Cross multiply
    74,192.53x = 102,385.33 × 40,658.53
  4. Step 4: Simplify right side
    74,192.53x = 4,162,837,011.36
  5. Step 5: Solve for x
    x = 4,162,837,011.36/74,192.53
  6. Step 6: Final answer
    x = 56,108.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.