Home / 107,658.34-161,323.76-51,421.01

Finding the Fourth Proportional to 107,658.34, 161,323.76 and 51,421.01

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Solution

The fourth proportional to 107,658.34, 161,323.76 and 51,421.01 is: 77,053.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,658.34 : 161,323.76 = 51,421.01 : x
  2. Step 2: Convert to fraction form
    107,658.34/161,323.76 = 51,421.01/x
  3. Step 3: Cross multiply
    107,658.34x = 161,323.76 × 51,421.01
  4. Step 4: Simplify right side
    107,658.34x = 8,295,429,998.13
  5. Step 5: Solve for x
    x = 8,295,429,998.13/107,658.34
  6. Step 6: Final answer
    x = 77,053.30

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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.