Home / 106,308.47-159,407.34-39,693.81

Finding the Fourth Proportional to 106,308.47, 159,407.34 and 39,693.81

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Solution

The fourth proportional to 106,308.47, 159,407.34 and 39,693.81 is: 59,520.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,308.47 : 159,407.34 = 39,693.81 : x
  2. Step 2: Convert to fraction form
    106,308.47/159,407.34 = 39,693.81/x
  3. Step 3: Cross multiply
    106,308.47x = 159,407.34 × 39,693.81
  4. Step 4: Simplify right side
    106,308.47x = 6,327,485,264.34
  5. Step 5: Solve for x
    x = 6,327,485,264.34/106,308.47
  6. Step 6: Final answer
    x = 59,520.05

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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.