Home / 91,797.35-126,680.00-51,511.02

Finding the Fourth Proportional to 91,797.35, 126,680.00 and 51,511.02

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Solution

The fourth proportional to 91,797.35, 126,680.00 and 51,511.02 is: 71,085.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,797.35 : 126,680.00 = 51,511.02 : x
  2. Step 2: Convert to fraction form
    91,797.35/126,680.00 = 51,511.02/x
  3. Step 3: Cross multiply
    91,797.35x = 126,680.00 × 51,511.02
  4. Step 4: Simplify right side
    91,797.35x = 6,525,415,280.99
  5. Step 5: Solve for x
    x = 6,525,415,280.99/91,797.35
  6. Step 6: Final answer
    x = 71,085.01

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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.