Home / 106,457.07-146,972.85-70,696.11

Finding the Fourth Proportional to 106,457.07, 146,972.85 and 70,696.11

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Solution

The fourth proportional to 106,457.07, 146,972.85 and 70,696.11 is: 97,601.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,457.07 : 146,972.85 = 70,696.11 : x
  2. Step 2: Convert to fraction form
    106,457.07/146,972.85 = 70,696.11/x
  3. Step 3: Cross multiply
    106,457.07x = 146,972.85 × 70,696.11
  4. Step 4: Simplify right side
    106,457.07x = 10,390,408,770.61
  5. Step 5: Solve for x
    x = 10,390,408,770.61/106,457.07
  6. Step 6: Final answer
    x = 97,601.87

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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.