Home / 74,192.03-102,384.65-40,658.03

Finding the Fourth Proportional to 74,192.03, 102,384.65 and 40,658.03

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Solution

The fourth proportional to 74,192.03, 102,384.65 and 40,658.03 is: 56,107.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,192.03 : 102,384.65 = 40,658.03 : x
  2. Step 2: Convert to fraction form
    74,192.03/102,384.65 = 40,658.03/x
  3. Step 3: Cross multiply
    74,192.03x = 102,384.65 × 40,658.03
  4. Step 4: Simplify right side
    74,192.03x = 4,162,757,967.95
  5. Step 5: Solve for x
    x = 4,162,757,967.95/74,192.03
  6. Step 6: Final answer
    x = 56,107.89

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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.