Home / 91,935.64-126,855.84-54,217.36

Finding the Fourth Proportional to 91,935.64, 126,855.84 and 54,217.36

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Solution

The fourth proportional to 91,935.64, 126,855.84 and 54,217.36 is: 74,810.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,935.64 : 126,855.84 = 54,217.36 : x
  2. Step 2: Convert to fraction form
    91,935.64/126,855.84 = 54,217.36/x
  3. Step 3: Cross multiply
    91,935.64x = 126,855.84 × 54,217.36
  4. Step 4: Simplify right side
    91,935.64x = 6,877,788,745.38
  5. Step 5: Solve for x
    x = 6,877,788,745.38/91,935.64
  6. Step 6: Final answer
    x = 74,810.91

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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.