Home / 47,376.40-71,064.60-34,320.40

Finding the Fourth Proportional to 47,376.40, 71,064.60 and 34,320.40

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Solution

The fourth proportional to 47,376.40, 71,064.60 and 34,320.40 is: 51,480.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,376.40 : 71,064.60 = 34,320.40 : x
  2. Step 2: Convert to fraction form
    47,376.40/71,064.60 = 34,320.40/x
  3. Step 3: Cross multiply
    47,376.40x = 71,064.60 × 34,320.40
  4. Step 4: Simplify right side
    47,376.40x = 2,438,965,497.84
  5. Step 5: Solve for x
    x = 2,438,965,497.84/47,376.40
  6. Step 6: Final answer
    x = 51,480.60

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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.