Home / 84,964.76-127,438.89-25,800.93

Finding the Fourth Proportional to 84,964.76, 127,438.89 and 25,800.93

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Solution

The fourth proportional to 84,964.76, 127,438.89 and 25,800.93 is: 38,698.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,964.76 : 127,438.89 = 25,800.93 : x
  2. Step 2: Convert to fraction form
    84,964.76/127,438.89 = 25,800.93/x
  3. Step 3: Cross multiply
    84,964.76x = 127,438.89 × 25,800.93
  4. Step 4: Simplify right side
    84,964.76x = 3,288,041,880.17
  5. Step 5: Solve for x
    x = 3,288,041,880.17/84,964.76
  6. Step 6: Final answer
    x = 38,698.89

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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.