Home / 77,930.40-116,821.62-25,303.08

Finding the Fourth Proportional to 77,930.40, 116,821.62 and 25,303.08

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Solution

The fourth proportional to 77,930.40, 116,821.62 and 25,303.08 is: 37,930.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,930.40 : 116,821.62 = 25,303.08 : x
  2. Step 2: Convert to fraction form
    77,930.40/116,821.62 = 25,303.08/x
  3. Step 3: Cross multiply
    77,930.40x = 116,821.62 × 25,303.08
  4. Step 4: Simplify right side
    77,930.40x = 2,955,946,796.59
  5. Step 5: Solve for x
    x = 2,955,946,796.59/77,930.40
  6. Step 6: Final answer
    x = 37,930.60

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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.