Home / 106,052.09-159,193.41-42,915.68

Finding the Fourth Proportional to 106,052.09, 159,193.41 and 42,915.68

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Solution

The fourth proportional to 106,052.09, 159,193.41 and 42,915.68 is: 64,420.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,052.09 : 159,193.41 = 42,915.68 : x
  2. Step 2: Convert to fraction form
    106,052.09/159,193.41 = 42,915.68/x
  3. Step 3: Cross multiply
    106,052.09x = 159,193.41 × 42,915.68
  4. Step 4: Simplify right side
    106,052.09x = 6,831,893,441.67
  5. Step 5: Solve for x
    x = 6,831,893,441.67/106,052.09
  6. Step 6: Final answer
    x = 64,420.17

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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.