Home / 76,919.42-106,139.76-44,646.60

Finding the Fourth Proportional to 76,919.42, 106,139.76 and 44,646.60

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Solution

The fourth proportional to 76,919.42, 106,139.76 and 44,646.60 is: 61,607.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,919.42 : 106,139.76 = 44,646.60 : x
  2. Step 2: Convert to fraction form
    76,919.42/106,139.76 = 44,646.60/x
  3. Step 3: Cross multiply
    76,919.42x = 106,139.76 × 44,646.60
  4. Step 4: Simplify right side
    76,919.42x = 4,738,779,408.82
  5. Step 5: Solve for x
    x = 4,738,779,408.82/76,919.42
  6. Step 6: Final answer
    x = 61,607.06

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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.