Home / 117,337.33-161,953.53-69,618.36

Finding the Fourth Proportional to 117,337.33, 161,953.53 and 69,618.36

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Solution

The fourth proportional to 117,337.33, 161,953.53 and 69,618.36 is: 96,089.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,337.33 : 161,953.53 = 69,618.36 : x
  2. Step 2: Convert to fraction form
    117,337.33/161,953.53 = 69,618.36/x
  3. Step 3: Cross multiply
    117,337.33x = 161,953.53 × 69,618.36
  4. Step 4: Simplify right side
    117,337.33x = 11,274,939,154.81
  5. Step 5: Solve for x
    x = 11,274,939,154.81/117,337.33
  6. Step 6: Final answer
    x = 96,089.96

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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.