Home / 83,669.10-125,379.02-46,239.86

Finding the Fourth Proportional to 83,669.10, 125,379.02 and 46,239.86

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Solution

The fourth proportional to 83,669.10, 125,379.02 and 46,239.86 is: 69,290.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,669.10 : 125,379.02 = 46,239.86 : x
  2. Step 2: Convert to fraction form
    83,669.10/125,379.02 = 46,239.86/x
  3. Step 3: Cross multiply
    83,669.10x = 125,379.02 × 46,239.86
  4. Step 4: Simplify right side
    83,669.10x = 5,797,508,331.74
  5. Step 5: Solve for x
    x = 5,797,508,331.74/83,669.10
  6. Step 6: Final answer
    x = 69,290.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.