Home / 96,441.12-133,055.64-56,139.48

Finding the Fourth Proportional to 96,441.12, 133,055.64 and 56,139.48

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Solution

The fourth proportional to 96,441.12, 133,055.64 and 56,139.48 is: 77,453.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,441.12 : 133,055.64 = 56,139.48 : x
  2. Step 2: Convert to fraction form
    96,441.12/133,055.64 = 56,139.48/x
  3. Step 3: Cross multiply
    96,441.12x = 133,055.64 × 56,139.48
  4. Step 4: Simplify right side
    96,441.12x = 7,469,674,440.67
  5. Step 5: Solve for x
    x = 7,469,674,440.67/96,441.12
  6. Step 6: Final answer
    x = 77,453.21

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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.