Home / 67,686.80-93,408.36-37,471.28

Finding the Fourth Proportional to 67,686.80, 93,408.36 and 37,471.28

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Solution

The fourth proportional to 67,686.80, 93,408.36 and 37,471.28 is: 51,710.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,686.80 : 93,408.36 = 37,471.28 : x
  2. Step 2: Convert to fraction form
    67,686.80/93,408.36 = 37,471.28/x
  3. Step 3: Cross multiply
    67,686.80x = 93,408.36 × 37,471.28
  4. Step 4: Simplify right side
    67,686.80x = 3,500,130,811.90
  5. Step 5: Solve for x
    x = 3,500,130,811.90/67,686.80
  6. Step 6: Final answer
    x = 51,710.69

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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.