Home / 103,848.84-155,784.06-47,679.30

Finding the Fourth Proportional to 103,848.84, 155,784.06 and 47,679.30

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Solution

The fourth proportional to 103,848.84, 155,784.06 and 47,679.30 is: 71,523.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,848.84 : 155,784.06 = 47,679.30 : x
  2. Step 2: Convert to fraction form
    103,848.84/155,784.06 = 47,679.30/x
  3. Step 3: Cross multiply
    103,848.84x = 155,784.06 × 47,679.30
  4. Step 4: Simplify right side
    103,848.84x = 7,427,674,931.96
  5. Step 5: Solve for x
    x = 7,427,674,931.96/103,848.84
  6. Step 6: Final answer
    x = 71,523.91

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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.