Home / 61,406.10-84,739.50-34,548.64

Finding the Fourth Proportional to 61,406.10, 84,739.50 and 34,548.64

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Solution

The fourth proportional to 61,406.10, 84,739.50 and 34,548.64 is: 47,676.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,406.10 : 84,739.50 = 34,548.64 : x
  2. Step 2: Convert to fraction form
    61,406.10/84,739.50 = 34,548.64/x
  3. Step 3: Cross multiply
    61,406.10x = 84,739.50 × 34,548.64
  4. Step 4: Simplify right side
    61,406.10x = 2,927,634,479.28
  5. Step 5: Solve for x
    x = 2,927,634,479.28/61,406.10
  6. Step 6: Final answer
    x = 47,676.61

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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.