Home / 83,533.11-125,406.59-71,762.19

Finding the Fourth Proportional to 83,533.11, 125,406.59 and 71,762.19

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Solution

The fourth proportional to 83,533.11, 125,406.59 and 71,762.19 is: 107,735.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,533.11 : 125,406.59 = 71,762.19 : x
  2. Step 2: Convert to fraction form
    83,533.11/125,406.59 = 71,762.19/x
  3. Step 3: Cross multiply
    83,533.11x = 125,406.59 × 71,762.19
  4. Step 4: Simplify right side
    83,533.11x = 8,999,451,180.02
  5. Step 5: Solve for x
    x = 8,999,451,180.02/83,533.11
  6. Step 6: Final answer
    x = 107,735.14

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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.