Home / 106,052.34-159,193.78-42,915.93

Finding the Fourth Proportional to 106,052.34, 159,193.78 and 42,915.93

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Solution

The fourth proportional to 106,052.34, 159,193.78 and 42,915.93 is: 64,420.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,052.34 : 159,193.78 = 42,915.93 : x
  2. Step 2: Convert to fraction form
    106,052.34/159,193.78 = 42,915.93/x
  3. Step 3: Cross multiply
    106,052.34x = 159,193.78 × 42,915.93
  4. Step 4: Simplify right side
    106,052.34x = 6,831,949,011.63
  5. Step 5: Solve for x
    x = 6,831,949,011.63/106,052.34
  6. Step 6: Final answer
    x = 64,420.54

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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.