Home / 116,053.12-174,079.78-31,814.20

Finding the Fourth Proportional to 116,053.12, 174,079.78 and 31,814.20

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Solution

The fourth proportional to 116,053.12, 174,079.78 and 31,814.20 is: 47,721.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,053.12 : 174,079.78 = 31,814.20 : x
  2. Step 2: Convert to fraction form
    116,053.12/174,079.78 = 31,814.20/x
  3. Step 3: Cross multiply
    116,053.12x = 174,079.78 × 31,814.20
  4. Step 4: Simplify right side
    116,053.12x = 5,538,208,936.88
  5. Step 5: Solve for x
    x = 5,538,208,936.88/116,053.12
  6. Step 6: Final answer
    x = 47,721.33

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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.