Home / 91,117.14-125,755.50-55,300.22

Finding the Fourth Proportional to 91,117.14, 125,755.50 and 55,300.22

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Solution

The fourth proportional to 91,117.14, 125,755.50 and 55,300.22 is: 76,322.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,117.14 : 125,755.50 = 55,300.22 : x
  2. Step 2: Convert to fraction form
    91,117.14/125,755.50 = 55,300.22/x
  3. Step 3: Cross multiply
    91,117.14x = 125,755.50 × 55,300.22
  4. Step 4: Simplify right side
    91,117.14x = 6,954,306,816.21
  5. Step 5: Solve for x
    x = 6,954,306,816.21/91,117.14
  6. Step 6: Final answer
    x = 76,322.71

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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.