Home / 48,133.71-72,204.21-13,072.86

Finding the Fourth Proportional to 48,133.71, 72,204.21 and 13,072.86

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Solution

The fourth proportional to 48,133.71, 72,204.21 and 13,072.86 is: 19,610.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,133.71 : 72,204.21 = 13,072.86 : x
  2. Step 2: Convert to fraction form
    48,133.71/72,204.21 = 13,072.86/x
  3. Step 3: Cross multiply
    48,133.71x = 72,204.21 × 13,072.86
  4. Step 4: Simplify right side
    48,133.71x = 943,915,528.74
  5. Step 5: Solve for x
    x = 943,915,528.74/48,133.71
  6. Step 6: Final answer
    x = 19,610.28

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1.5x scale

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.