Home / 96,007.20-144,010.80-51,720.45

Finding the Fourth Proportional to 96,007.20, 144,010.80 and 51,720.45

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Solution

The fourth proportional to 96,007.20, 144,010.80 and 51,720.45 is: 77,580.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,007.20 : 144,010.80 = 51,720.45 : x
  2. Step 2: Convert to fraction form
    96,007.20/144,010.80 = 51,720.45/x
  3. Step 3: Cross multiply
    96,007.20x = 144,010.80 × 51,720.45
  4. Step 4: Simplify right side
    96,007.20x = 7,448,303,380.86
  5. Step 5: Solve for x
    x = 7,448,303,380.86/96,007.20
  6. Step 6: Final answer
    x = 77,580.68

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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.