Home / 48,745.80-67,300.56-39,814.74

Finding the Fourth Proportional to 48,745.80, 67,300.56 and 39,814.74

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Solution

The fourth proportional to 48,745.80, 67,300.56 and 39,814.74 is: 54,969.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,745.80 : 67,300.56 = 39,814.74 : x
  2. Step 2: Convert to fraction form
    48,745.80/67,300.56 = 39,814.74/x
  3. Step 3: Cross multiply
    48,745.80x = 67,300.56 × 39,814.74
  4. Step 4: Simplify right side
    48,745.80x = 2,679,554,298.25
  5. Step 5: Solve for x
    x = 2,679,554,298.25/48,745.80
  6. Step 6: Final answer
    x = 54,969.95

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1.5x scale

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.