Home / 107,968.69-161,953.30-55,349.47

Finding the Fourth Proportional to 107,968.69, 161,953.30 and 55,349.47

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Solution

The fourth proportional to 107,968.69, 161,953.30 and 55,349.47 is: 83,024.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,968.69 : 161,953.30 = 55,349.47 : x
  2. Step 2: Convert to fraction form
    107,968.69/161,953.30 = 55,349.47/x
  3. Step 3: Cross multiply
    107,968.69x = 161,953.30 × 55,349.47
  4. Step 4: Simplify right side
    107,968.69x = 8,964,028,509.98
  5. Step 5: Solve for x
    x = 8,964,028,509.98/107,968.69
  6. Step 6: Final answer
    x = 83,024.34

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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.