Home / 77,062.14-115,384.49-40,048.38

Finding the Fourth Proportional to 77,062.14, 115,384.49 and 40,048.38

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Solution

The fourth proportional to 77,062.14, 115,384.49 and 40,048.38 is: 59,964.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,062.14 : 115,384.49 = 40,048.38 : x
  2. Step 2: Convert to fraction form
    77,062.14/115,384.49 = 40,048.38/x
  3. Step 3: Cross multiply
    77,062.14x = 115,384.49 × 40,048.38
  4. Step 4: Simplify right side
    77,062.14x = 4,620,961,901.63
  5. Step 5: Solve for x
    x = 4,620,961,901.63/77,062.14
  6. Step 6: Final answer
    x = 59,964.10

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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.