Home / 91,962.30-126,903.88-53,725.38

Finding the Fourth Proportional to 91,962.30, 126,903.88 and 53,725.38

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Solution

The fourth proportional to 91,962.30, 126,903.88 and 53,725.38 is: 74,138.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,962.30 : 126,903.88 = 53,725.38 : x
  2. Step 2: Convert to fraction form
    91,962.30/126,903.88 = 53,725.38/x
  3. Step 3: Cross multiply
    91,962.30x = 126,903.88 × 53,725.38
  4. Step 4: Simplify right side
    91,962.30x = 6,817,958,907.85
  5. Step 5: Solve for x
    x = 6,817,958,907.85/91,962.30
  6. Step 6: Final answer
    x = 74,138.63

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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.