Home / 66,366.14-91,701.78-53,047.22

Finding the Fourth Proportional to 66,366.14, 91,701.78 and 53,047.22

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Solution

The fourth proportional to 66,366.14, 91,701.78 and 53,047.22 is: 73,298.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,366.14 : 91,701.78 = 53,047.22 : x
  2. Step 2: Convert to fraction form
    66,366.14/91,701.78 = 53,047.22/x
  3. Step 3: Cross multiply
    66,366.14x = 91,701.78 × 53,047.22
  4. Step 4: Simplify right side
    66,366.14x = 4,864,524,498.05
  5. Step 5: Solve for x
    x = 4,864,524,498.05/66,366.14
  6. Step 6: Final answer
    x = 73,298.29

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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.