Home / 77,965.13-116,954.98-25,360.49

Finding the Fourth Proportional to 77,965.13, 116,954.98 and 25,360.49

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Solution

The fourth proportional to 77,965.13, 116,954.98 and 25,360.49 is: 38,043.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,965.13 : 116,954.98 = 25,360.49 : x
  2. Step 2: Convert to fraction form
    77,965.13/116,954.98 = 25,360.49/x
  3. Step 3: Cross multiply
    77,965.13x = 116,954.98 × 25,360.49
  4. Step 4: Simplify right side
    77,965.13x = 2,966,034,952.56
  5. Step 5: Solve for x
    x = 2,966,034,952.56/77,965.13
  6. Step 6: Final answer
    x = 38,043.10

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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.