Home / 91,962.50-126,907.14-51,683.09

Finding the Fourth Proportional to 91,962.50, 126,907.14 and 51,683.09

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Solution

The fourth proportional to 91,962.50, 126,907.14 and 51,683.09 is: 71,322.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,962.50 : 126,907.14 = 51,683.09 : x
  2. Step 2: Convert to fraction form
    91,962.50/126,907.14 = 51,683.09/x
  3. Step 3: Cross multiply
    91,962.50x = 126,907.14 × 51,683.09
  4. Step 4: Simplify right side
    91,962.50x = 6,558,952,879.85
  5. Step 5: Solve for x
    x = 6,558,952,879.85/91,962.50
  6. Step 6: Final answer
    x = 71,322.04

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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.