Home / 54,801.16-75,625.86-30,928.84

Finding the Fourth Proportional to 54,801.16, 75,625.86 and 30,928.84

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Solution

The fourth proportional to 54,801.16, 75,625.86 and 30,928.84 is: 42,681.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,801.16 : 75,625.86 = 30,928.84 : x
  2. Step 2: Convert to fraction form
    54,801.16/75,625.86 = 30,928.84/x
  3. Step 3: Cross multiply
    54,801.16x = 75,625.86 × 30,928.84
  4. Step 4: Simplify right side
    54,801.16x = 2,339,020,123.80
  5. Step 5: Solve for x
    x = 2,339,020,123.80/54,801.16
  6. Step 6: Final answer
    x = 42,681.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.