Home / 51,718.72-71,398.98-34,811.92

Finding the Fourth Proportional to 51,718.72, 71,398.98 and 34,811.92

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Solution

The fourth proportional to 51,718.72, 71,398.98 and 34,811.92 is: 48,058.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,718.72 : 71,398.98 = 34,811.92 : x
  2. Step 2: Convert to fraction form
    51,718.72/71,398.98 = 34,811.92/x
  3. Step 3: Cross multiply
    51,718.72x = 71,398.98 × 34,811.92
  4. Step 4: Simplify right side
    51,718.72x = 2,485,535,579.84
  5. Step 5: Solve for x
    x = 2,485,535,579.84/51,718.72
  6. Step 6: Final answer
    x = 48,058.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.