Home / 97,424.10-146,136.15-67,875.30

Finding the Fourth Proportional to 97,424.10, 146,136.15 and 67,875.30

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Solution

The fourth proportional to 97,424.10, 146,136.15 and 67,875.30 is: 101,812.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,424.10 : 146,136.15 = 67,875.30 : x
  2. Step 2: Convert to fraction form
    97,424.10/146,136.15 = 67,875.30/x
  3. Step 3: Cross multiply
    97,424.10x = 146,136.15 × 67,875.30
  4. Step 4: Simplify right side
    97,424.10x = 9,919,035,022.10
  5. Step 5: Solve for x
    x = 9,919,035,022.10/97,424.10
  6. Step 6: Final answer
    x = 101,812.95

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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.