Home / 85,914.05-118,562.02-47,673.74

Finding the Fourth Proportional to 85,914.05, 118,562.02 and 47,673.74

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Solution

The fourth proportional to 85,914.05, 118,562.02 and 47,673.74 is: 65,790.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,914.05 : 118,562.02 = 47,673.74 : x
  2. Step 2: Convert to fraction form
    85,914.05/118,562.02 = 47,673.74/x
  3. Step 3: Cross multiply
    85,914.05x = 118,562.02 × 47,673.74
  4. Step 4: Simplify right side
    85,914.05x = 5,652,294,676.99
  5. Step 5: Solve for x
    x = 5,652,294,676.99/85,914.05
  6. Step 6: Final answer
    x = 65,790.11

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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.