Home / 96,116.45-144,127.49-56,145.47

Finding the Fourth Proportional to 96,116.45, 144,127.49 and 56,145.47

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Solution

The fourth proportional to 96,116.45, 144,127.49 and 56,145.47 is: 84,190.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,116.45 : 144,127.49 = 56,145.47 : x
  2. Step 2: Convert to fraction form
    96,116.45/144,127.49 = 56,145.47/x
  3. Step 3: Cross multiply
    96,116.45x = 144,127.49 × 56,145.47
  4. Step 4: Simplify right side
    96,116.45x = 8,092,104,664.61
  5. Step 5: Solve for x
    x = 8,092,104,664.61/96,116.45
  6. Step 6: Final answer
    x = 84,190.64

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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.