Home / 91,905.08-137,857.10-35,784.23

Finding the Fourth Proportional to 91,905.08, 137,857.10 and 35,784.23

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Solution

The fourth proportional to 91,905.08, 137,857.10 and 35,784.23 is: 53,676.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,905.08 : 137,857.10 = 35,784.23 : x
  2. Step 2: Convert to fraction form
    91,905.08/137,857.10 = 35,784.23/x
  3. Step 3: Cross multiply
    91,905.08x = 137,857.10 × 35,784.23
  4. Step 4: Simplify right side
    91,905.08x = 4,933,109,305.33
  5. Step 5: Solve for x
    x = 4,933,109,305.33/91,905.08
  6. Step 6: Final answer
    x = 53,676.14

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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.