Home / 69,966.86-96,555.24-38,135.70

Finding the Fourth Proportional to 69,966.86, 96,555.24 and 38,135.70

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Solution

The fourth proportional to 69,966.86, 96,555.24 and 38,135.70 is: 52,627.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,966.86 : 96,555.24 = 38,135.70 : x
  2. Step 2: Convert to fraction form
    69,966.86/96,555.24 = 38,135.70/x
  3. Step 3: Cross multiply
    69,966.86x = 96,555.24 × 38,135.70
  4. Step 4: Simplify right side
    69,966.86x = 3,682,201,666.07
  5. Step 5: Solve for x
    x = 3,682,201,666.07/69,966.86
  6. Step 6: Final answer
    x = 52,627.80

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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.