Home / 68,127.18-102,190.81-32,580.10

Finding the Fourth Proportional to 68,127.18, 102,190.81 and 32,580.10

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Solution

The fourth proportional to 68,127.18, 102,190.81 and 32,580.10 is: 48,870.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,127.18 : 102,190.81 = 32,580.10 : x
  2. Step 2: Convert to fraction form
    68,127.18/102,190.81 = 32,580.10/x
  3. Step 3: Cross multiply
    68,127.18x = 102,190.81 × 32,580.10
  4. Step 4: Simplify right side
    68,127.18x = 3,329,386,808.88
  5. Step 5: Solve for x
    x = 3,329,386,808.88/68,127.18
  6. Step 6: Final answer
    x = 48,870.17

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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.