Home / 84,567.18-116,649.90-54,391.86

Finding the Fourth Proportional to 84,567.18, 116,649.90 and 54,391.86

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Solution

The fourth proportional to 84,567.18, 116,649.90 and 54,391.86 is: 75,026.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,567.18 : 116,649.90 = 54,391.86 : x
  2. Step 2: Convert to fraction form
    84,567.18/116,649.90 = 54,391.86/x
  3. Step 3: Cross multiply
    84,567.18x = 116,649.90 × 54,391.86
  4. Step 4: Simplify right side
    84,567.18x = 6,344,805,029.81
  5. Step 5: Solve for x
    x = 6,344,805,029.81/84,567.18
  6. Step 6: Final answer
    x = 75,026.80

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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.