Home / 79,461.08-109,610.45-47,611.53

Finding the Fourth Proportional to 79,461.08, 109,610.45 and 47,611.53

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Solution

The fourth proportional to 79,461.08, 109,610.45 and 47,611.53 is: 65,676.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,461.08 : 109,610.45 = 47,611.53 : x
  2. Step 2: Convert to fraction form
    79,461.08/109,610.45 = 47,611.53/x
  3. Step 3: Cross multiply
    79,461.08x = 109,610.45 × 47,611.53
  4. Step 4: Simplify right side
    79,461.08x = 5,218,721,228.49
  5. Step 5: Solve for x
    x = 5,218,721,228.49/79,461.08
  6. Step 6: Final answer
    x = 65,676.44

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1.5x scale

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.