Home / 74,192.18-102,384.69-40,657.46

Finding the Fourth Proportional to 74,192.18, 102,384.69 and 40,657.46

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Solution

The fourth proportional to 74,192.18, 102,384.69 and 40,657.46 is: 56,107.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,192.18 : 102,384.69 = 40,657.46 : x
  2. Step 2: Convert to fraction form
    74,192.18/102,384.69 = 40,657.46/x
  3. Step 3: Cross multiply
    74,192.18x = 102,384.69 × 40,657.46
  4. Step 4: Simplify right side
    74,192.18x = 4,162,701,438.29
  5. Step 5: Solve for x
    x = 4,162,701,438.29/74,192.18
  6. Step 6: Final answer
    x = 56,107.01

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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.