Home / 81,426.07-121,958.65-62,567.29

Finding the Fourth Proportional to 81,426.07, 121,958.65 and 62,567.29

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Solution

The fourth proportional to 81,426.07, 121,958.65 and 62,567.29 is: 93,712.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,426.07 : 121,958.65 = 62,567.29 : x
  2. Step 2: Convert to fraction form
    81,426.07/121,958.65 = 62,567.29/x
  3. Step 3: Cross multiply
    81,426.07x = 121,958.65 × 62,567.29
  4. Step 4: Simplify right side
    81,426.07x = 7,630,622,222.56
  5. Step 5: Solve for x
    x = 7,630,622,222.56/81,426.07
  6. Step 6: Final answer
    x = 93,712.27

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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.