Home / 48,756.16-73,128.52-13,698.80

Finding the Fourth Proportional to 48,756.16, 73,128.52 and 13,698.80

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Solution

The fourth proportional to 48,756.16, 73,128.52 and 13,698.80 is: 20,546.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,756.16 : 73,128.52 = 13,698.80 : x
  2. Step 2: Convert to fraction form
    48,756.16/73,128.52 = 13,698.80/x
  3. Step 3: Cross multiply
    48,756.16x = 73,128.52 × 13,698.80
  4. Step 4: Simplify right side
    48,756.16x = 1,001,772,969.78
  5. Step 5: Solve for x
    x = 1,001,772,969.78/48,756.16
  6. Step 6: Final answer
    x = 20,546.59

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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.