Home / 117,777.90-162,536.18-64,065.79

Finding the Fourth Proportional to 117,777.90, 162,536.18 and 64,065.79

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Solution

The fourth proportional to 117,777.90, 162,536.18 and 64,065.79 is: 88,412.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,777.90 : 162,536.18 = 64,065.79 : x
  2. Step 2: Convert to fraction form
    117,777.90/162,536.18 = 64,065.79/x
  3. Step 3: Cross multiply
    117,777.90x = 162,536.18 × 64,065.79
  4. Step 4: Simplify right side
    117,777.90x = 10,413,008,048.61
  5. Step 5: Solve for x
    x = 10,413,008,048.61/117,777.90
  6. Step 6: Final answer
    x = 88,412.24

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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.