Home / 77,964.13-116,953.48-25,359.49

Finding the Fourth Proportional to 77,964.13, 116,953.48 and 25,359.49

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Solution

The fourth proportional to 77,964.13, 116,953.48 and 25,359.49 is: 38,041.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,964.13 : 116,953.48 = 25,359.49 : x
  2. Step 2: Convert to fraction form
    77,964.13/116,953.48 = 25,359.49/x
  3. Step 3: Cross multiply
    77,964.13x = 116,953.48 × 25,359.49
  4. Step 4: Simplify right side
    77,964.13x = 2,965,880,021.76
  5. Step 5: Solve for x
    x = 2,965,880,021.76/77,964.13
  6. Step 6: Final answer
    x = 38,041.60

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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.