Home / 77,328.20-115,935.54-24,707.36

Finding the Fourth Proportional to 77,328.20, 115,935.54 and 24,707.36

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Solution

The fourth proportional to 77,328.20, 115,935.54 and 24,707.36 is: 37,042.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,328.20 : 115,935.54 = 24,707.36 : x
  2. Step 2: Convert to fraction form
    77,328.20/115,935.54 = 24,707.36/x
  3. Step 3: Cross multiply
    77,328.20x = 115,935.54 × 24,707.36
  4. Step 4: Simplify right side
    77,328.20x = 2,864,461,123.57
  5. Step 5: Solve for x
    x = 2,864,461,123.57/77,328.20
  6. Step 6: Final answer
    x = 37,042.90

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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.