Home / 103,962.40-155,997.60-48,558.40

Finding the Fourth Proportional to 103,962.40, 155,997.60 and 48,558.40

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Solution

The fourth proportional to 103,962.40, 155,997.60 and 48,558.40 is: 72,862.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,962.40 : 155,997.60 = 48,558.40 : x
  2. Step 2: Convert to fraction form
    103,962.40/155,997.60 = 48,558.40/x
  3. Step 3: Cross multiply
    103,962.40x = 155,997.60 × 48,558.40
  4. Step 4: Simplify right side
    103,962.40x = 7,574,993,859.84
  5. Step 5: Solve for x
    x = 7,574,993,859.84/103,962.40
  6. Step 6: Final answer
    x = 72,862.82

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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.