Home / 75,758.25-113,674.92-55,718.31

Finding the Fourth Proportional to 75,758.25, 113,674.92 and 55,718.31

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Solution

The fourth proportional to 75,758.25, 113,674.92 and 55,718.31 is: 83,605.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,758.25 : 113,674.92 = 55,718.31 : x
  2. Step 2: Convert to fraction form
    75,758.25/113,674.92 = 55,718.31/x
  3. Step 3: Cross multiply
    75,758.25x = 113,674.92 × 55,718.31
  4. Step 4: Simplify right side
    75,758.25x = 6,333,774,431.79
  5. Step 5: Solve for x
    x = 6,333,774,431.79/75,758.25
  6. Step 6: Final answer
    x = 83,605.08

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1.5x scale

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.