Home / 47,771.06-71,656.49-12,710.72

Finding the Fourth Proportional to 47,771.06, 71,656.49 and 12,710.72

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Solution

The fourth proportional to 47,771.06, 71,656.49 and 12,710.72 is: 19,066.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,771.06 : 71,656.49 = 12,710.72 : x
  2. Step 2: Convert to fraction form
    47,771.06/71,656.49 = 12,710.72/x
  3. Step 3: Cross multiply
    47,771.06x = 71,656.49 × 12,710.72
  4. Step 4: Simplify right side
    47,771.06x = 910,805,222.29
  5. Step 5: Solve for x
    x = 910,805,222.29/47,771.06
  6. Step 6: Final answer
    x = 19,066.05

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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.