Home / 75,862.59-104,688.63-41,869.86

Finding the Fourth Proportional to 75,862.59, 104,688.63 and 41,869.86

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Solution

The fourth proportional to 75,862.59, 104,688.63 and 41,869.86 is: 57,779.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,862.59 : 104,688.63 = 41,869.86 : x
  2. Step 2: Convert to fraction form
    75,862.59/104,688.63 = 41,869.86/x
  3. Step 3: Cross multiply
    75,862.59x = 104,688.63 × 41,869.86
  4. Step 4: Simplify right side
    75,862.59x = 4,383,298,281.69
  5. Step 5: Solve for x
    x = 4,383,298,281.69/75,862.59
  6. Step 6: Final answer
    x = 57,779.44

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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.