Home / 91,109.56-125,677.06-70,934.48

Finding the Fourth Proportional to 91,109.56, 125,677.06 and 70,934.48

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Solution

The fourth proportional to 91,109.56, 125,677.06 and 70,934.48 is: 97,847.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,109.56 : 125,677.06 = 70,934.48 : x
  2. Step 2: Convert to fraction form
    91,109.56/125,677.06 = 70,934.48/x
  3. Step 3: Cross multiply
    91,109.56x = 125,677.06 × 70,934.48
  4. Step 4: Simplify right side
    91,109.56x = 8,914,837,213.22
  5. Step 5: Solve for x
    x = 8,914,837,213.22/91,109.56
  6. Step 6: Final answer
    x = 97,847.44

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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.