Home / 82,829.86-124,206.72-26,659.60

Finding the Fourth Proportional to 82,829.86, 124,206.72 and 26,659.60

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Solution

The fourth proportional to 82,829.86, 124,206.72 and 26,659.60 is: 39,977.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,829.86 : 124,206.72 = 26,659.60 : x
  2. Step 2: Convert to fraction form
    82,829.86/124,206.72 = 26,659.60/x
  3. Step 3: Cross multiply
    82,829.86x = 124,206.72 × 26,659.60
  4. Step 4: Simplify right side
    82,829.86x = 3,311,301,472.51
  5. Step 5: Solve for x
    x = 3,311,301,472.51/82,829.86
  6. Step 6: Final answer
    x = 39,977.15

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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.