Home / 75,633.32-113,463.48-25,710.79

Finding the Fourth Proportional to 75,633.32, 113,463.48 and 25,710.79

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Solution

The fourth proportional to 75,633.32, 113,463.48 and 25,710.79 is: 38,570.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,633.32 : 113,463.48 = 25,710.79 : x
  2. Step 2: Convert to fraction form
    75,633.32/113,463.48 = 25,710.79/x
  3. Step 3: Cross multiply
    75,633.32x = 113,463.48 × 25,710.79
  4. Step 4: Simplify right side
    75,633.32x = 2,917,235,139.63
  5. Step 5: Solve for x
    x = 2,917,235,139.63/75,633.32
  6. Step 6: Final answer
    x = 38,570.77

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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.