Home / 106,133.41-146,363.58-67,905.06

Finding the Fourth Proportional to 106,133.41, 146,363.58 and 67,905.06

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Solution

The fourth proportional to 106,133.41, 146,363.58 and 67,905.06 is: 93,644.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,133.41 : 146,363.58 = 67,905.06 : x
  2. Step 2: Convert to fraction form
    106,133.41/146,363.58 = 67,905.06/x
  3. Step 3: Cross multiply
    106,133.41x = 146,363.58 × 67,905.06
  4. Step 4: Simplify right side
    106,133.41x = 9,938,827,681.71
  5. Step 5: Solve for x
    x = 9,938,827,681.71/106,133.41
  6. Step 6: Final answer
    x = 93,644.67

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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.