Home / 81,425.45-121,957.71-62,566.67

Finding the Fourth Proportional to 81,425.45, 121,957.71 and 62,566.67

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Solution

The fourth proportional to 81,425.45, 121,957.71 and 62,566.67 is: 93,711.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,425.45 : 121,957.71 = 62,566.67 : x
  2. Step 2: Convert to fraction form
    81,425.45/121,957.71 = 62,566.67/x
  3. Step 3: Cross multiply
    81,425.45x = 121,957.71 × 62,566.67
  4. Step 4: Simplify right side
    81,425.45x = 7,630,487,185.74
  5. Step 5: Solve for x
    x = 7,630,487,185.74/81,425.45
  6. Step 6: Final answer
    x = 93,711.34

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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.