Home / 91,675.75-126,472.44-64,841.26

Finding the Fourth Proportional to 91,675.75, 126,472.44 and 64,841.26

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Solution

The fourth proportional to 91,675.75, 126,472.44 and 64,841.26 is: 89,452.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,675.75 : 126,472.44 = 64,841.26 : x
  2. Step 2: Convert to fraction form
    91,675.75/126,472.44 = 64,841.26/x
  3. Step 3: Cross multiply
    91,675.75x = 126,472.44 × 64,841.26
  4. Step 4: Simplify right side
    91,675.75x = 8,200,632,364.87
  5. Step 5: Solve for x
    x = 8,200,632,364.87/91,675.75
  6. Step 6: Final answer
    x = 89,452.58

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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.